21282300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 76776336

約数和(自身を除く): 55494036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 25, 26, 30, 34, 36, 39, 45, 50, 51, 52, 60, 65, 68, 75, 78, 85, 90, 100, 102, 107, 117, 130, 150, 153, 156, 170, 180, 195, 204, 214, 221, 225, 234, 255, 260, 300, 306, 321, 325, 340, 390, 425, 428, 442, 450, 468, 510, 535, 585, 612, 642, 650, 663, 765, 780, 850, 884, 900, 963, 975, 1020, 1070, 1105, 1170, 1275, 1284, 1300, 1326, 1391, 1530, 1605, 1700, 1819, 1926, 1950, 1989, 2140, 2210, 2340, 2550, 2652, 2675, 2782, 2925, 3060, 3210, 3315, 3638, 3825, 3852, 3900, 3978, 4173, 4420, 4815, 5100, 5350, 5457, 5525, 5564, 5850, 6420, 6630, 6955, 7276, 7650, 7956, 8025, 8346, 9095, 9630, 9945, 10700, 10914, 11050, 11700, 12519, 13260, 13910, 15300, 16050, 16371, 16575, 16692, 18190, 19260, 19890, 20865, 21828, 22100, 23647, 24075, 25038, 27285, 27820, 32100, 32742, 33150, 34775, 36380, 39780, 41730, 45475, 47294, 48150, 49725, 50076, 54570, 62595, 65484, 66300, 69550, 70941, 81855, 83460, 90950, 94588, 96300, 99450, 104325, 109140, 118235, 125190, 136425, 139100, 141882, 163710, 181900, 198900, 208650, 212823, 236470, 250380, 272850, 283764, 312975, 327420, 354705, 409275, 417300, 425646, 472940, 545700, 591175, 625950, 709410, 818550, 851292, 1064115, 1182350, 1251900, 1418820, 1637100, 1773525, 2128230, 2364700, 3547050, 4256460, 5320575, 7094100, 10641150, 21282300]

約数ペア:

[(1, 21282300), (2, 10641150), (3, 7094100), (4, 5320575), (5, 4256460), (6, 3547050), (9, 2364700), (10, 2128230), (12, 1773525), (13, 1637100), (15, 1418820), (17, 1251900), (18, 1182350), (20, 1064115), (25, 851292), (26, 818550), (30, 709410), (34, 625950), (36, 591175), (39, 545700), (45, 472940), (50, 425646), (51, 417300), (52, 409275), (60, 354705), (65, 327420), (68, 312975), (75, 283764), (78, 272850), (85, 250380), (90, 236470), (100, 212823), (102, 208650), (107, 198900), (117, 181900), (130, 163710), (150, 141882), (153, 139100), (156, 136425), (170, 125190), (180, 118235), (195, 109140), (204, 104325), (214, 99450), (221, 96300), (225, 94588), (234, 90950), (255, 83460), (260, 81855), (300, 70941), (306, 69550), (321, 66300), (325, 65484), (340, 62595), (390, 54570), (425, 50076), (428, 49725), (442, 48150), (450, 47294), (468, 45475), (510, 41730), (535, 39780), (585, 36380), (612, 34775), (642, 33150), (650, 32742), (663, 32100), (765, 27820), (780, 27285), (850, 25038), (884, 24075), (900, 23647), (963, 22100), (975, 21828), (1020, 20865), (1070, 19890), (1105, 19260), (1170, 18190), (1275, 16692), (1284, 16575), (1300, 16371), (1326, 16050), (1391, 15300), (1530, 13910), (1605, 13260), (1700, 12519), (1819, 11700), (1926, 11050), (1950, 10914), (1989, 10700), (2140, 9945), (2210, 9630), (2340, 9095), (2550, 8346), (2652, 8025), (2675, 7956), (2782, 7650), (2925, 7276), (3060, 6955), (3210, 6630), (3315, 6420), (3638, 5850), (3825, 5564), (3852, 5525), (3900, 5457), (3978, 5350), (4173, 5100), (4420, 4815)]