21348393016

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{8237}}^1$

素因数の和:8464

約数の個数: 64

約数和(自身を含む): 41922852480

約数和(自身を除く): 20574459464

約数列:

[1, 2, 4, 8, 47, 61, 94, 113, 122, 188, 226, 244, 376, 452, 488, 904, 2867, 5311, 5734, 6893, 8237, 10622, 11468, 13786, 16474, 21244, 22936, 27572, 32948, 42488, 55144, 65896, 323971, 387139, 502457, 647942, 774278, 930781, 1004914, 1295884, 1548556, 1861562, 2009828, 2591768, 3097112, 3723124, 4019656, 7446248, 23615479, 43746707, 47230958, 56777641, 87493414, 94461916, 113555282, 174986828, 188923832, 227110564, 349973656, 454221128, 2668549127, 5337098254, 10674196508, 21348393016]

約数ペア:

[(1, 21348393016), (2, 10674196508), (4, 5337098254), (8, 2668549127), (47, 454221128), (61, 349973656), (94, 227110564), (113, 188923832), (122, 174986828), (188, 113555282), (226, 94461916), (244, 87493414), (376, 56777641), (452, 47230958), (488, 43746707), (904, 23615479), (2867, 7446248), (5311, 4019656), (5734, 3723124), (6893, 3097112), (8237, 2591768), (10622, 2009828), (11468, 1861562), (13786, 1548556), (16474, 1295884), (21244, 1004914), (22936, 930781), (27572, 774278), (32948, 647942), (42488, 502457), (55144, 387139), (65896, 323971)]