21009757376

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{751207}}^1$

素因数の和:751261

約数の個数: 56

約数和(自身を含む): 45793639680

約数和(自身を除く): 24783882304

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1216, 1472, 1748, 3496, 6992, 13984, 27968, 751207, 1502414, 3004828, 6009656, 12019312, 14272933, 17277761, 24038624, 28545866, 34555522, 48077248, 57091732, 69111044, 114183464, 138222088, 228366928, 276444176, 328277459, 456733856, 552888352, 656554918, 913467712, 1105776704, 1313109836, 2626219672, 5252439344, 10504878688, 21009757376]

約数ペア:

[(1, 21009757376), (2, 10504878688), (4, 5252439344), (8, 2626219672), (16, 1313109836), (19, 1105776704), (23, 913467712), (32, 656554918), (38, 552888352), (46, 456733856), (64, 328277459), (76, 276444176), (92, 228366928), (152, 138222088), (184, 114183464), (304, 69111044), (368, 57091732), (437, 48077248), (608, 34555522), (736, 28545866), (874, 24038624), (1216, 17277761), (1472, 14272933), (1748, 12019312), (3496, 6009656), (6992, 3004828), (13984, 1502414), (27968, 751207)]