21103670898

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{49409}}^1$

素因数の和:49867

約数の個数: 48

約数和(自身を含む): 46594618200

約数和(自身を除く): 25490947302

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 389, 549, 778, 1098, 1167, 2334, 3501, 7002, 23729, 47458, 49409, 71187, 98818, 142374, 148227, 213561, 296454, 427122, 444681, 889362, 3013949, 6027898, 9041847, 18083694, 19220101, 27125541, 38440202, 54251082, 57660303, 115320606, 172980909, 345961818, 1172426161, 2344852322, 3517278483, 7034556966, 10551835449, 21103670898]

約数ペア:

[(1, 21103670898), (2, 10551835449), (3, 7034556966), (6, 3517278483), (9, 2344852322), (18, 1172426161), (61, 345961818), (122, 172980909), (183, 115320606), (366, 57660303), (389, 54251082), (549, 38440202), (778, 27125541), (1098, 19220101), (1167, 18083694), (2334, 9041847), (3501, 6027898), (7002, 3013949), (23729, 889362), (47458, 444681), (49409, 427122), (71187, 296454), (98818, 213561), (142374, 148227)]