21683570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 19028110

約数列:

[1, 2, 5, 10, 31, 62, 113, 155, 226, 310, 565, 619, 1130, 1238, 3095, 3503, 6190, 7006, 17515, 19189, 35030, 38378, 69947, 95945, 139894, 191890, 349735, 699470, 2168357, 4336714, 10841785, 21683570]

約数ペア:

[(1, 21683570), (2, 10841785), (5, 4336714), (10, 2168357), (31, 699470), (62, 349735), (113, 191890), (155, 139894), (226, 95945), (310, 69947), (565, 38378), (619, 35030), (1130, 19189), (1238, 17515), (3095, 7006), (3503, 6190)]