21077386680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{230203}}^1$

素因数の和:230333

約数の個数: 128

約数和(自身を含む): 72928627200

約数和(自身を除く): 51851240520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 840, 872, 1090, 1308, 1526, 1635, 2180, 2289, 2616, 3052, 3270, 3815, 4360, 4578, 6104, 6540, 7630, 9156, 11445, 13080, 15260, 18312, 22890, 30520, 45780, 91560, 230203, 460406, 690609, 920812, 1151015, 1381218, 1611421, 1841624, 2302030, 2762436, 3222842, 3453045, 4604060, 4834263, 5524872, 6445684, 6906090, 8057105, 9208120, 9668526, 12891368, 13812180, 16114210, 19337052, 24171315, 25092127, 27624360, 32228420, 38674104, 48342630, 50184254, 64456840, 75276381, 96685260, 100368508, 125460635, 150552762, 175644889, 193370520, 200737016, 250921270, 301105524, 351289778, 376381905, 501842540, 526934667, 602211048, 702579556, 752763810, 878224445, 1003685080, 1053869334, 1405159112, 1505527620, 1756448890, 2107738668, 2634673335, 3011055240, 3512897780, 4215477336, 5269346670, 7025795560, 10538693340, 21077386680]

約数ペア:

[(1, 21077386680), (2, 10538693340), (3, 7025795560), (4, 5269346670), (5, 4215477336), (6, 3512897780), (7, 3011055240), (8, 2634673335), (10, 2107738668), (12, 1756448890), (14, 1505527620), (15, 1405159112), (20, 1053869334), (21, 1003685080), (24, 878224445), (28, 752763810), (30, 702579556), (35, 602211048), (40, 526934667), (42, 501842540), (56, 376381905), (60, 351289778), (70, 301105524), (84, 250921270), (105, 200737016), (109, 193370520), (120, 175644889), (140, 150552762), (168, 125460635), (210, 100368508), (218, 96685260), (280, 75276381), (327, 64456840), (420, 50184254), (436, 48342630), (545, 38674104), (654, 32228420), (763, 27624360), (840, 25092127), (872, 24171315), (1090, 19337052), (1308, 16114210), (1526, 13812180), (1635, 12891368), (2180, 9668526), (2289, 9208120), (2616, 8057105), (3052, 6906090), (3270, 6445684), (3815, 5524872), (4360, 4834263), (4578, 4604060), (6104, 3453045), (6540, 3222842), (7630, 2762436), (9156, 2302030), (11445, 1841624), (13080, 1611421), (15260, 1381218), (18312, 1151015), (22890, 920812), (30520, 690609), (45780, 460406), (91560, 230203)]