21323424

素因数分解:

$2^5\times 3^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 34892736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 389, 571, 778, 1142, 1167, 1556, 1713, 2284, 2334, 3112, 3426, 4568, 4668, 6224, 6852, 9136, 9336, 12448, 13704, 18272, 18672, 27408, 37344, 54816, 222119, 444238, 666357, 888476, 1332714, 1776952, 2665428, 3553904, 5330856, 7107808, 10661712, 21323424]

約数ペア:

[(1, 21323424), (2, 10661712), (3, 7107808), (4, 5330856), (6, 3553904), (8, 2665428), (12, 1776952), (16, 1332714), (24, 888476), (32, 666357), (48, 444238), (96, 222119), (389, 54816), (571, 37344), (778, 27408), (1142, 18672), (1167, 18272), (1556, 13704), (1713, 12448), (2284, 9336), (2334, 9136), (3112, 6852), (3426, 6224), (4568, 4668)]