21605822528

素因数分解:

$2^6\times {\mathrm{157}}^1\times {\mathrm{449}}^1\times {\mathrm{4789}}^1$

素因数の和:5407

約数の個数: 56

約数和(自身を含む): 43252263000

約数和(自身を除く): 21646440472

約数列:

[1, 2, 4, 8, 16, 32, 64, 157, 314, 449, 628, 898, 1256, 1796, 2512, 3592, 4789, 5024, 7184, 9578, 10048, 14368, 19156, 28736, 38312, 70493, 76624, 140986, 153248, 281972, 306496, 563944, 751873, 1127888, 1503746, 2150261, 2255776, 3007492, 4300522, 4511552, 6014984, 8601044, 12029968, 17202088, 24059936, 34404176, 48119872, 68808352, 137616704, 337590977, 675181954, 1350363908, 2700727816, 5401455632, 10802911264, 21605822528]

約数ペア:

[(1, 21605822528), (2, 10802911264), (4, 5401455632), (8, 2700727816), (16, 1350363908), (32, 675181954), (64, 337590977), (157, 137616704), (314, 68808352), (449, 48119872), (628, 34404176), (898, 24059936), (1256, 17202088), (1796, 12029968), (2512, 8601044), (3592, 6014984), (4789, 4511552), (5024, 4300522), (7184, 3007492), (9578, 2255776), (10048, 2150261), (14368, 1503746), (19156, 1127888), (28736, 751873), (38312, 563944), (70493, 306496), (76624, 281972), (140986, 153248)]