21497626250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^2\times {\mathrm{59509}}^1$

素因数の和:59565

約数の個数: 60

約数和(自身を含む): 42805602510

約数和(自身を除く): 21307976260

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 289, 425, 578, 625, 850, 1250, 1445, 2125, 2890, 4250, 7225, 10625, 14450, 21250, 36125, 59509, 72250, 119018, 180625, 297545, 361250, 595090, 1011653, 1487725, 2023306, 2975450, 5058265, 7438625, 10116530, 14877250, 17198101, 25291325, 34396202, 37193125, 50582650, 74386250, 85990505, 126456625, 171981010, 252913250, 429952525, 632283125, 859905050, 1264566250, 2149762625, 4299525250, 10748813125, 21497626250]

約数ペア:

[(1, 21497626250), (2, 10748813125), (5, 4299525250), (10, 2149762625), (17, 1264566250), (25, 859905050), (34, 632283125), (50, 429952525), (85, 252913250), (125, 171981010), (170, 126456625), (250, 85990505), (289, 74386250), (425, 50582650), (578, 37193125), (625, 34396202), (850, 25291325), (1250, 17198101), (1445, 14877250), (2125, 10116530), (2890, 7438625), (4250, 5058265), (7225, 2975450), (10625, 2023306), (14450, 1487725), (21250, 1011653), (36125, 595090), (59509, 361250), (72250, 297545), (119018, 180625)]