21421365968

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{982271}}^1$

素因数の和:982355

約数の個数: 40

約数和(自身を含む): 43848622080

約数和(自身を除く): 22427256112

約数列:

[1, 2, 4, 8, 16, 29, 47, 58, 94, 116, 188, 232, 376, 464, 752, 1363, 2726, 5452, 10904, 21808, 982271, 1964542, 3929084, 7858168, 15716336, 28485859, 46166737, 56971718, 92333474, 113943436, 184666948, 227886872, 369333896, 455773744, 738667792, 1338835373, 2677670746, 5355341492, 10710682984, 21421365968]

約数ペア:

[(1, 21421365968), (2, 10710682984), (4, 5355341492), (8, 2677670746), (16, 1338835373), (29, 738667792), (47, 455773744), (58, 369333896), (94, 227886872), (116, 184666948), (188, 113943436), (232, 92333474), (376, 56971718), (464, 46166737), (752, 28485859), (1363, 15716336), (2726, 7858168), (5452, 3929084), (10904, 1964542), (21808, 982271)]