21908432

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 53663232

約数和(自身を除く): 31754800

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 328, 364, 367, 533, 574, 656, 728, 734, 1066, 1148, 1456, 1468, 2132, 2296, 2569, 2936, 3731, 4264, 4592, 4771, 5138, 5872, 7462, 8528, 9542, 10276, 14924, 15047, 19084, 20552, 29848, 30094, 33397, 38168, 41104, 59696, 60188, 66794, 76336, 105329, 120376, 133588, 195611, 210658, 240752, 267176, 391222, 421316, 534352, 782444, 842632, 1369277, 1564888, 1685264, 2738554, 3129776, 5477108, 10954216, 21908432]

約数ペア:

[(1, 21908432), (2, 10954216), (4, 5477108), (7, 3129776), (8, 2738554), (13, 1685264), (14, 1564888), (16, 1369277), (26, 842632), (28, 782444), (41, 534352), (52, 421316), (56, 391222), (82, 267176), (91, 240752), (104, 210658), (112, 195611), (164, 133588), (182, 120376), (208, 105329), (287, 76336), (328, 66794), (364, 60188), (367, 59696), (533, 41104), (574, 38168), (656, 33397), (728, 30094), (734, 29848), (1066, 20552), (1148, 19084), (1456, 15047), (1468, 14924), (2132, 10276), (2296, 9542), (2569, 8528), (2936, 7462), (3731, 5872), (4264, 5138), (4592, 4771)]