21459746

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1215

約数の個数: 48

約数和(自身を含む): 43288992

約数和(自身を除く): 21829246

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 49, 77, 98, 119, 154, 187, 238, 374, 539, 833, 1078, 1171, 1309, 1666, 2342, 2618, 8197, 9163, 12881, 16394, 18326, 19907, 25762, 39814, 57379, 90167, 114758, 139349, 180334, 218977, 278698, 437954, 631169, 975443, 1262338, 1532839, 1950886, 3065678, 10729873, 21459746]

約数ペア:

[(1, 21459746), (2, 10729873), (7, 3065678), (11, 1950886), (14, 1532839), (17, 1262338), (22, 975443), (34, 631169), (49, 437954), (77, 278698), (98, 218977), (119, 180334), (154, 139349), (187, 114758), (238, 90167), (374, 57379), (539, 39814), (833, 25762), (1078, 19907), (1171, 18326), (1309, 16394), (1666, 12881), (2342, 9163), (2618, 8197)]