21554408096

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{94723}}^1$

素因数の和:95293

約数の個数: 48

約数和(自身を含む): 45783519264

約数和(自身を除く): 24229111168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 547, 1094, 2188, 4376, 7111, 8752, 14222, 17504, 28444, 56888, 94723, 113776, 189446, 227552, 378892, 757784, 1231399, 1515568, 2462798, 3031136, 4925596, 9851192, 19702384, 39404768, 51813481, 103626962, 207253924, 414507848, 673575253, 829015696, 1347150506, 1658031392, 2694301012, 5388602024, 10777204048, 21554408096]

約数ペア:

[(1, 21554408096), (2, 10777204048), (4, 5388602024), (8, 2694301012), (13, 1658031392), (16, 1347150506), (26, 829015696), (32, 673575253), (52, 414507848), (104, 207253924), (208, 103626962), (416, 51813481), (547, 39404768), (1094, 19702384), (2188, 9851192), (4376, 4925596), (7111, 3031136), (8752, 2462798), (14222, 1515568), (17504, 1231399), (28444, 757784), (56888, 378892), (94723, 227552), (113776, 189446)]