21470848

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 50526720

約数和(自身を除く): 29055872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 773, 868, 896, 992, 1546, 1736, 1984, 3092, 3472, 3968, 5411, 6184, 6944, 10822, 12368, 13888, 21644, 23963, 24736, 27776, 43288, 47926, 49472, 86576, 95852, 98944, 167741, 173152, 191704, 335482, 346304, 383408, 670964, 692608, 766816, 1341928, 1533632, 2683856, 3067264, 5367712, 10735424, 21470848]

約数ペア:

[(1, 21470848), (2, 10735424), (4, 5367712), (7, 3067264), (8, 2683856), (14, 1533632), (16, 1341928), (28, 766816), (31, 692608), (32, 670964), (56, 383408), (62, 346304), (64, 335482), (112, 191704), (124, 173152), (128, 167741), (217, 98944), (224, 95852), (248, 86576), (434, 49472), (448, 47926), (496, 43288), (773, 27776), (868, 24736), (896, 23963), (992, 21644), (1546, 13888), (1736, 12368), (1984, 10822), (3092, 6944), (3472, 6184), (3968, 5411)]