21924260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 47401200

約数和(自身を除く): 25476940

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 113, 178, 218, 226, 356, 436, 445, 452, 545, 565, 890, 1090, 1130, 1780, 2180, 2260, 9701, 10057, 12317, 19402, 20114, 24634, 38804, 40228, 48505, 49268, 50285, 61585, 97010, 100570, 123170, 194020, 201140, 246340, 1096213, 2192426, 4384852, 5481065, 10962130, 21924260]

約数ペア:

[(1, 21924260), (2, 10962130), (4, 5481065), (5, 4384852), (10, 2192426), (20, 1096213), (89, 246340), (109, 201140), (113, 194020), (178, 123170), (218, 100570), (226, 97010), (356, 61585), (436, 50285), (445, 49268), (452, 48505), (545, 40228), (565, 38804), (890, 24634), (1090, 20114), (1130, 19402), (1780, 12317), (2180, 10057), (2260, 9701)]