21487492016

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{1427}}^1\times {\mathrm{1871}}^1$

素因数の和:3809

約数の個数: 40

約数和(自身を含む): 41766326784

約数和(自身を除く): 20278834768

約数列:

[1, 2, 4, 8, 16, 503, 1006, 1427, 1871, 2012, 2854, 3742, 4024, 5708, 7484, 8048, 11416, 14968, 22832, 29936, 717781, 941113, 1435562, 1882226, 2669917, 2871124, 3764452, 5339834, 5742248, 7528904, 10679668, 11484496, 15057808, 21359336, 42718672, 1342968251, 2685936502, 5371873004, 10743746008, 21487492016]

約数ペア:

[(1, 21487492016), (2, 10743746008), (4, 5371873004), (8, 2685936502), (16, 1342968251), (503, 42718672), (1006, 21359336), (1427, 15057808), (1871, 11484496), (2012, 10679668), (2854, 7528904), (3742, 5742248), (4024, 5339834), (5708, 3764452), (7484, 2871124), (8048, 2669917), (11416, 1882226), (14968, 1435562), (22832, 941113), (29936, 717781)]