21727188

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:246

約数の個数: 108

約数和(自身を含む): 65044980

約数和(自身を除く): 43317792

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 109, 113, 126, 147, 196, 218, 226, 252, 294, 327, 339, 436, 441, 452, 588, 654, 678, 763, 791, 882, 981, 1017, 1308, 1356, 1526, 1582, 1764, 1962, 2034, 2289, 2373, 3052, 3164, 3924, 4068, 4578, 4746, 5341, 5537, 6867, 7119, 9156, 9492, 10682, 11074, 12317, 13734, 14238, 16023, 16611, 21364, 22148, 24634, 27468, 28476, 32046, 33222, 36951, 48069, 49268, 49833, 64092, 66444, 73902, 86219, 96138, 99666, 110853, 147804, 172438, 192276, 199332, 221706, 258657, 344876, 443412, 517314, 603533, 775971, 1034628, 1207066, 1551942, 1810599, 2414132, 3103884, 3621198, 5431797, 7242396, 10863594, 21727188]

約数ペア:

[(1, 21727188), (2, 10863594), (3, 7242396), (4, 5431797), (6, 3621198), (7, 3103884), (9, 2414132), (12, 1810599), (14, 1551942), (18, 1207066), (21, 1034628), (28, 775971), (36, 603533), (42, 517314), (49, 443412), (63, 344876), (84, 258657), (98, 221706), (109, 199332), (113, 192276), (126, 172438), (147, 147804), (196, 110853), (218, 99666), (226, 96138), (252, 86219), (294, 73902), (327, 66444), (339, 64092), (436, 49833), (441, 49268), (452, 48069), (588, 36951), (654, 33222), (678, 32046), (763, 28476), (791, 27468), (882, 24634), (981, 22148), (1017, 21364), (1308, 16611), (1356, 16023), (1526, 14238), (1582, 13734), (1764, 12317), (1962, 11074), (2034, 10682), (2289, 9492), (2373, 9156), (3052, 7119), (3164, 6867), (3924, 5537), (4068, 5341), (4578, 4746)]