21888672

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17539}}^1$

素因数の和:17565

約数の個数: 48

約数和(自身を含む): 61881120

約数和(自身を除く): 39992448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17539, 35078, 52617, 70156, 105234, 140312, 210468, 228007, 280624, 420936, 456014, 561248, 684021, 841872, 912028, 1368042, 1683744, 1824056, 2736084, 3648112, 5472168, 7296224, 10944336, 21888672]

約数ペア:

[(1, 21888672), (2, 10944336), (3, 7296224), (4, 5472168), (6, 3648112), (8, 2736084), (12, 1824056), (13, 1683744), (16, 1368042), (24, 912028), (26, 841872), (32, 684021), (39, 561248), (48, 456014), (52, 420936), (78, 280624), (96, 228007), (104, 210468), (156, 140312), (208, 105234), (312, 70156), (416, 52617), (624, 35078), (1248, 17539)]