21601792

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1410

約数の個数: 40

約数和(自身を含む): 44586432

約数和(自身を除く): 22984640

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1361, 1984, 2722, 3968, 5444, 7936, 10888, 15872, 21776, 42191, 43552, 84382, 87104, 168764, 174208, 337528, 348416, 675056, 696832, 1350112, 2700224, 5400448, 10800896, 21601792]

約数ペア:

[(1, 21601792), (2, 10800896), (4, 5400448), (8, 2700224), (16, 1350112), (31, 696832), (32, 675056), (62, 348416), (64, 337528), (124, 174208), (128, 168764), (248, 87104), (256, 84382), (496, 43552), (512, 42191), (992, 21776), (1361, 15872), (1984, 10888), (2722, 7936), (3968, 5444)]