21028718438

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:942

約数の個数: 128

約数和(自身を含む): 42117304320

約数和(自身を除く): 21088585882

約数列:

[1, 2, 7, 13, 14, 23, 26, 29, 46, 58, 91, 161, 182, 203, 299, 311, 322, 377, 406, 557, 598, 622, 667, 754, 1114, 1334, 2093, 2177, 2639, 3899, 4043, 4186, 4354, 4669, 5278, 7153, 7241, 7798, 8086, 8671, 9019, 9338, 12811, 14306, 14482, 16153, 17342, 18038, 25622, 28301, 32306, 50071, 50687, 56602, 60697, 63133, 89677, 92989, 100142, 101374, 113071, 117247, 121394, 126266, 166543, 173227, 179354, 185978, 207437, 209989, 226142, 234494, 333086, 346454, 371519, 414874, 419978, 650923, 743038, 820729, 1165801, 1212589, 1301846, 1452059, 1469923, 1641458, 2251951, 2331602, 2425178, 2600633, 2696681, 2904118, 2939846, 3984221, 4503902, 4829747, 5023583, 5201266, 5393362, 7968442, 9659494, 10047166, 15763657, 18876767, 27889547, 31527314, 33808229, 35165081, 37753534, 51794873, 55779094, 65306579, 67616458, 70330162, 103589746, 115542409, 130613158, 231084818, 362564111, 457146053, 725128222, 808796863, 914292106, 1502051317, 1617593726, 3004102634, 10514359219, 21028718438]

約数ペア:

[(1, 21028718438), (2, 10514359219), (7, 3004102634), (13, 1617593726), (14, 1502051317), (23, 914292106), (26, 808796863), (29, 725128222), (46, 457146053), (58, 362564111), (91, 231084818), (161, 130613158), (182, 115542409), (203, 103589746), (299, 70330162), (311, 67616458), (322, 65306579), (377, 55779094), (406, 51794873), (557, 37753534), (598, 35165081), (622, 33808229), (667, 31527314), (754, 27889547), (1114, 18876767), (1334, 15763657), (2093, 10047166), (2177, 9659494), (2639, 7968442), (3899, 5393362), (4043, 5201266), (4186, 5023583), (4354, 4829747), (4669, 4503902), (5278, 3984221), (7153, 2939846), (7241, 2904118), (7798, 2696681), (8086, 2600633), (8671, 2425178), (9019, 2331602), (9338, 2251951), (12811, 1641458), (14306, 1469923), (14482, 1452059), (16153, 1301846), (17342, 1212589), (18038, 1165801), (25622, 820729), (28301, 743038), (32306, 650923), (50071, 419978), (50687, 414874), (56602, 371519), (60697, 346454), (63133, 333086), (89677, 234494), (92989, 226142), (100142, 209989), (101374, 207437), (113071, 185978), (117247, 179354), (121394, 173227), (126266, 166543)]