21613460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5779}}^1$

素因数の和:5816

約数の個数: 48

約数和(自身を含む): 52436160

約数和(自身を除く): 30822700

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5779, 11558, 23116, 28895, 57790, 63569, 98243, 115580, 127138, 196486, 254276, 317845, 392972, 491215, 635690, 982430, 1080673, 1271380, 1964860, 2161346, 4322692, 5403365, 10806730, 21613460]

約数ペア:

[(1, 21613460), (2, 10806730), (4, 5403365), (5, 4322692), (10, 2161346), (11, 1964860), (17, 1271380), (20, 1080673), (22, 982430), (34, 635690), (44, 491215), (55, 392972), (68, 317845), (85, 254276), (110, 196486), (170, 127138), (187, 115580), (220, 98243), (340, 63569), (374, 57790), (748, 28895), (935, 23116), (1870, 11558), (3740, 5779)]