21957552

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1097}}^1$

素因数の和:1250

約数の個数: 60

約数和(自身を含む): 61949160

約数和(自身を除く): 39991608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1097, 1112, 1251, 1668, 2194, 2224, 2502, 3291, 3336, 4388, 5004, 6582, 6672, 8776, 9873, 10008, 13164, 17552, 19746, 20016, 26328, 39492, 52656, 78984, 152483, 157968, 304966, 457449, 609932, 914898, 1219864, 1372347, 1829796, 2439728, 2744694, 3659592, 5489388, 7319184, 10978776, 21957552]

約数ペア:

[(1, 21957552), (2, 10978776), (3, 7319184), (4, 5489388), (6, 3659592), (8, 2744694), (9, 2439728), (12, 1829796), (16, 1372347), (18, 1219864), (24, 914898), (36, 609932), (48, 457449), (72, 304966), (139, 157968), (144, 152483), (278, 78984), (417, 52656), (556, 39492), (834, 26328), (1097, 20016), (1112, 19746), (1251, 17552), (1668, 13164), (2194, 10008), (2224, 9873), (2502, 8776), (3291, 6672), (3336, 6582), (4388, 5004)]