21837350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1117}}^1$

素因数の和:1169

約数の個数: 48

約数和(自身を含む): 44916768

約数和(自身を除く): 23079418

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1117, 1150, 1955, 2234, 3910, 5585, 9775, 11170, 18989, 19550, 25691, 27925, 37978, 51382, 55850, 94945, 128455, 189890, 256910, 436747, 474725, 642275, 873494, 949450, 1284550, 2183735, 4367470, 10918675, 21837350]

約数ペア:

[(1, 21837350), (2, 10918675), (5, 4367470), (10, 2183735), (17, 1284550), (23, 949450), (25, 873494), (34, 642275), (46, 474725), (50, 436747), (85, 256910), (115, 189890), (170, 128455), (230, 94945), (391, 55850), (425, 51382), (575, 37978), (782, 27925), (850, 25691), (1117, 19550), (1150, 18989), (1955, 11170), (2234, 9775), (3910, 5585)]