21899108

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{733}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 48338304

約数和(自身を除く): 26439196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 154, 194, 308, 388, 679, 733, 1067, 1358, 1466, 2134, 2716, 2932, 4268, 5131, 7469, 8063, 10262, 14938, 16126, 20524, 29876, 32252, 56441, 71101, 112882, 142202, 225764, 284404, 497707, 782111, 995414, 1564222, 1990828, 3128444, 5474777, 10949554, 21899108]

約数ペア:

[(1, 21899108), (2, 10949554), (4, 5474777), (7, 3128444), (11, 1990828), (14, 1564222), (22, 995414), (28, 782111), (44, 497707), (77, 284404), (97, 225764), (154, 142202), (194, 112882), (308, 71101), (388, 56441), (679, 32252), (733, 29876), (1067, 20524), (1358, 16126), (1466, 14938), (2134, 10262), (2716, 8063), (2932, 7469), (4268, 5131)]