21418370

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 18325630

約数列:

[1, 2, 5, 10, 47, 94, 199, 229, 235, 398, 458, 470, 995, 1145, 1990, 2290, 9353, 10763, 18706, 21526, 45571, 46765, 53815, 91142, 93530, 107630, 227855, 455710, 2141837, 4283674, 10709185, 21418370]

約数ペア:

[(1, 21418370), (2, 10709185), (5, 4283674), (10, 2141837), (47, 455710), (94, 227855), (199, 107630), (229, 93530), (235, 91142), (398, 53815), (458, 46765), (470, 45571), (995, 21526), (1145, 18706), (1990, 10763), (2290, 9353)]