21462726

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 26644794

約数列:

[1, 2, 3, 6, 23, 29, 31, 46, 58, 62, 69, 87, 93, 138, 173, 174, 186, 346, 519, 667, 713, 899, 1038, 1334, 1426, 1798, 2001, 2139, 2697, 3979, 4002, 4278, 5017, 5363, 5394, 7958, 10034, 10726, 11937, 15051, 16089, 20677, 23874, 30102, 32178, 41354, 62031, 115391, 123349, 124062, 155527, 230782, 246698, 311054, 346173, 370047, 466581, 692346, 740094, 933162, 3577121, 7154242, 10731363, 21462726]

約数ペア:

[(1, 21462726), (2, 10731363), (3, 7154242), (6, 3577121), (23, 933162), (29, 740094), (31, 692346), (46, 466581), (58, 370047), (62, 346173), (69, 311054), (87, 246698), (93, 230782), (138, 155527), (173, 124062), (174, 123349), (186, 115391), (346, 62031), (519, 41354), (667, 32178), (713, 30102), (899, 23874), (1038, 20677), (1334, 16089), (1426, 15051), (1798, 11937), (2001, 10726), (2139, 10034), (2697, 7958), (3979, 5394), (4002, 5363), (4278, 5017)]