21427014

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2401

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 30053562

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 93, 98, 147, 186, 217, 294, 434, 651, 1302, 1519, 2351, 3038, 4557, 4702, 7053, 9114, 14106, 16457, 32914, 49371, 72881, 98742, 115199, 145762, 218643, 230398, 345597, 437286, 510167, 691194, 1020334, 1530501, 3061002, 3571169, 7142338, 10713507, 21427014]

約数ペア:

[(1, 21427014), (2, 10713507), (3, 7142338), (6, 3571169), (7, 3061002), (14, 1530501), (21, 1020334), (31, 691194), (42, 510167), (49, 437286), (62, 345597), (93, 230398), (98, 218643), (147, 145762), (186, 115199), (217, 98742), (294, 72881), (434, 49371), (651, 32914), (1302, 16457), (1519, 14106), (2351, 9114), (3038, 7053), (4557, 4702)]