21090300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 77578368

約数和(自身を除く): 56488068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 83, 84, 100, 105, 110, 121, 132, 140, 150, 154, 165, 166, 175, 210, 220, 231, 242, 249, 275, 300, 308, 330, 332, 350, 363, 385, 415, 420, 462, 484, 498, 525, 550, 581, 605, 660, 700, 726, 770, 825, 830, 847, 913, 924, 996, 1050, 1100, 1155, 1162, 1210, 1245, 1452, 1540, 1650, 1660, 1694, 1743, 1815, 1826, 1925, 2075, 2100, 2310, 2324, 2420, 2490, 2541, 2739, 2905, 3025, 3300, 3388, 3486, 3630, 3652, 3850, 4150, 4235, 4565, 4620, 4980, 5082, 5478, 5775, 5810, 6050, 6225, 6391, 6972, 7260, 7700, 8300, 8470, 8715, 9075, 9130, 10043, 10164, 10956, 11550, 11620, 12100, 12450, 12705, 12782, 13695, 14525, 16940, 17430, 18150, 18260, 19173, 20086, 21175, 22825, 23100, 24900, 25410, 25564, 27390, 29050, 30129, 31955, 34860, 36300, 38346, 40172, 42350, 43575, 45650, 50215, 50820, 54780, 58100, 60258, 63525, 63910, 68475, 70301, 76692, 84700, 87150, 91300, 95865, 100430, 120516, 127050, 127820, 136950, 140602, 150645, 159775, 174300, 191730, 200860, 210903, 251075, 254100, 273900, 281204, 301290, 319550, 351505, 383460, 421806, 479325, 502150, 602580, 639100, 703010, 753225, 843612, 958650, 1004300, 1054515, 1406020, 1506450, 1757525, 1917300, 2109030, 3012900, 3515050, 4218060, 5272575, 7030100, 10545150, 21090300]

約数ペア:

[(1, 21090300), (2, 10545150), (3, 7030100), (4, 5272575), (5, 4218060), (6, 3515050), (7, 3012900), (10, 2109030), (11, 1917300), (12, 1757525), (14, 1506450), (15, 1406020), (20, 1054515), (21, 1004300), (22, 958650), (25, 843612), (28, 753225), (30, 703010), (33, 639100), (35, 602580), (42, 502150), (44, 479325), (50, 421806), (55, 383460), (60, 351505), (66, 319550), (70, 301290), (75, 281204), (77, 273900), (83, 254100), (84, 251075), (100, 210903), (105, 200860), (110, 191730), (121, 174300), (132, 159775), (140, 150645), (150, 140602), (154, 136950), (165, 127820), (166, 127050), (175, 120516), (210, 100430), (220, 95865), (231, 91300), (242, 87150), (249, 84700), (275, 76692), (300, 70301), (308, 68475), (330, 63910), (332, 63525), (350, 60258), (363, 58100), (385, 54780), (415, 50820), (420, 50215), (462, 45650), (484, 43575), (498, 42350), (525, 40172), (550, 38346), (581, 36300), (605, 34860), (660, 31955), (700, 30129), (726, 29050), (770, 27390), (825, 25564), (830, 25410), (847, 24900), (913, 23100), (924, 22825), (996, 21175), (1050, 20086), (1100, 19173), (1155, 18260), (1162, 18150), (1210, 17430), (1245, 16940), (1452, 14525), (1540, 13695), (1650, 12782), (1660, 12705), (1694, 12450), (1743, 12100), (1815, 11620), (1826, 11550), (1925, 10956), (2075, 10164), (2100, 10043), (2310, 9130), (2324, 9075), (2420, 8715), (2490, 8470), (2541, 8300), (2739, 7700), (2905, 7260), (3025, 6972), (3300, 6391), (3388, 6225), (3486, 6050), (3630, 5810), (3652, 5775), (3850, 5478), (4150, 5082), (4235, 4980), (4565, 4620)]