21400489474

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6916771}}^1$

素因数の和:6916810

約数の個数: 32

約数和(自身を含む): 41832637056

約数和(自身を除く): 20432147582

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6916771, 13833542, 48417397, 89918023, 96834794, 117585107, 179836046, 235170214, 629426161, 823095749, 1258852322, 1528606391, 1646191498, 3057212782, 10700244737, 21400489474]

約数ペア:

[(1, 21400489474), (2, 10700244737), (7, 3057212782), (13, 1646191498), (14, 1528606391), (17, 1258852322), (26, 823095749), (34, 629426161), (91, 235170214), (119, 179836046), (182, 117585107), (221, 96834794), (238, 89918023), (442, 48417397), (1547, 13833542), (3094, 6916771)]