21167883290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{708667}}^1$

素因数の和:708806

約数の個数: 32

約数和(自身を含む): 39798794880

約数和(自身を除く): 18630911590

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 206, 290, 515, 1030, 2987, 5974, 14935, 29870, 708667, 1417334, 3543335, 7086670, 20551343, 41102686, 72992701, 102756715, 145985402, 205513430, 364963505, 729927010, 2116788329, 4233576658, 10583941645, 21167883290]

約数ペア:

[(1, 21167883290), (2, 10583941645), (5, 4233576658), (10, 2116788329), (29, 729927010), (58, 364963505), (103, 205513430), (145, 145985402), (206, 102756715), (290, 72992701), (515, 41102686), (1030, 20551343), (2987, 7086670), (5974, 3543335), (14935, 1417334), (29870, 708667)]