21615300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 216

約数和(自身を含む): 80161536

約数和(自身を除く): 58546236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 47, 50, 60, 63, 70, 73, 75, 84, 90, 94, 100, 105, 126, 140, 141, 146, 150, 175, 180, 188, 210, 219, 225, 235, 252, 282, 292, 300, 315, 329, 350, 365, 420, 423, 438, 450, 470, 511, 525, 564, 630, 657, 658, 700, 705, 730, 846, 876, 900, 940, 987, 1022, 1050, 1095, 1175, 1260, 1314, 1316, 1410, 1460, 1533, 1575, 1645, 1692, 1825, 1974, 2044, 2100, 2115, 2190, 2350, 2555, 2628, 2820, 2961, 3066, 3150, 3285, 3290, 3431, 3525, 3650, 3948, 4230, 4380, 4599, 4700, 4935, 5110, 5475, 5922, 6132, 6300, 6570, 6580, 6862, 7050, 7300, 7665, 8225, 8460, 9198, 9870, 10220, 10293, 10575, 10950, 11844, 12775, 13140, 13724, 14100, 14805, 15330, 16425, 16450, 17155, 18396, 19740, 20586, 21150, 21900, 22995, 24017, 24675, 25550, 29610, 30660, 30879, 32850, 32900, 34310, 38325, 41172, 42300, 45990, 48034, 49350, 51100, 51465, 59220, 61758, 65700, 68620, 72051, 74025, 76650, 85775, 91980, 96068, 98700, 102930, 114975, 120085, 123516, 144102, 148050, 153300, 154395, 171550, 205860, 216153, 229950, 240170, 257325, 288204, 296100, 308790, 343100, 360255, 432306, 459900, 480340, 514650, 600425, 617580, 720510, 771975, 864612, 1029300, 1080765, 1200850, 1441020, 1543950, 1801275, 2161530, 2401700, 3087900, 3602550, 4323060, 5403825, 7205100, 10807650, 21615300]

約数ペア:

[(1, 21615300), (2, 10807650), (3, 7205100), (4, 5403825), (5, 4323060), (6, 3602550), (7, 3087900), (9, 2401700), (10, 2161530), (12, 1801275), (14, 1543950), (15, 1441020), (18, 1200850), (20, 1080765), (21, 1029300), (25, 864612), (28, 771975), (30, 720510), (35, 617580), (36, 600425), (42, 514650), (45, 480340), (47, 459900), (50, 432306), (60, 360255), (63, 343100), (70, 308790), (73, 296100), (75, 288204), (84, 257325), (90, 240170), (94, 229950), (100, 216153), (105, 205860), (126, 171550), (140, 154395), (141, 153300), (146, 148050), (150, 144102), (175, 123516), (180, 120085), (188, 114975), (210, 102930), (219, 98700), (225, 96068), (235, 91980), (252, 85775), (282, 76650), (292, 74025), (300, 72051), (315, 68620), (329, 65700), (350, 61758), (365, 59220), (420, 51465), (423, 51100), (438, 49350), (450, 48034), (470, 45990), (511, 42300), (525, 41172), (564, 38325), (630, 34310), (657, 32900), (658, 32850), (700, 30879), (705, 30660), (730, 29610), (846, 25550), (876, 24675), (900, 24017), (940, 22995), (987, 21900), (1022, 21150), (1050, 20586), (1095, 19740), (1175, 18396), (1260, 17155), (1314, 16450), (1316, 16425), (1410, 15330), (1460, 14805), (1533, 14100), (1575, 13724), (1645, 13140), (1692, 12775), (1825, 11844), (1974, 10950), (2044, 10575), (2100, 10293), (2115, 10220), (2190, 9870), (2350, 9198), (2555, 8460), (2628, 8225), (2820, 7665), (2961, 7300), (3066, 7050), (3150, 6862), (3285, 6580), (3290, 6570), (3431, 6300), (3525, 6132), (3650, 5922), (3948, 5475), (4230, 5110), (4380, 4935), (4599, 4700)]