21501352

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 20431448

約数列:

[1, 2, 4, 8, 31, 62, 124, 181, 248, 362, 479, 724, 958, 1448, 1916, 3832, 5611, 11222, 14849, 22444, 29698, 44888, 59396, 86699, 118792, 173398, 346796, 693592, 2687669, 5375338, 10750676, 21501352]

約数ペア:

[(1, 21501352), (2, 10750676), (4, 5375338), (8, 2687669), (31, 693592), (62, 346796), (124, 173398), (181, 118792), (248, 86699), (362, 59396), (479, 44888), (724, 29698), (958, 22444), (1448, 14849), (1916, 11222), (3832, 5611)]