21798952

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 28197848

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 433, 434, 812, 866, 868, 899, 1624, 1732, 1736, 1798, 3031, 3464, 3596, 6062, 6293, 7192, 12124, 12557, 12586, 13423, 24248, 25114, 25172, 26846, 50228, 50344, 53692, 87899, 93961, 100456, 107384, 175798, 187922, 351596, 375844, 389267, 703192, 751688, 778534, 1557068, 2724869, 3114136, 5449738, 10899476, 21798952]

約数ペア:

[(1, 21798952), (2, 10899476), (4, 5449738), (7, 3114136), (8, 2724869), (14, 1557068), (28, 778534), (29, 751688), (31, 703192), (56, 389267), (58, 375844), (62, 351596), (116, 187922), (124, 175798), (203, 107384), (217, 100456), (232, 93961), (248, 87899), (406, 53692), (433, 50344), (434, 50228), (812, 26846), (866, 25172), (868, 25114), (899, 24248), (1624, 13423), (1732, 12586), (1736, 12557), (1798, 12124), (3031, 7192), (3464, 6293), (3596, 6062)]