21365718164

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{328481}}^1$

素因数の和:328616

約数の個数: 48

約数和(自身を含む): 45030940416

約数和(自身を除く): 23665222252

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 101, 161, 202, 322, 404, 644, 707, 1414, 2323, 2828, 4646, 9292, 16261, 32522, 65044, 328481, 656962, 1313924, 2299367, 4598734, 7555063, 9197468, 15110126, 30220252, 33176581, 52885441, 66353162, 105770882, 132706324, 211541764, 232236067, 464472134, 763061363, 928944268, 1526122726, 3052245452, 5341429541, 10682859082, 21365718164]

約数ペア:

[(1, 21365718164), (2, 10682859082), (4, 5341429541), (7, 3052245452), (14, 1526122726), (23, 928944268), (28, 763061363), (46, 464472134), (92, 232236067), (101, 211541764), (161, 132706324), (202, 105770882), (322, 66353162), (404, 52885441), (644, 33176581), (707, 30220252), (1414, 15110126), (2323, 9197468), (2828, 7555063), (4646, 4598734), (9292, 2299367), (16261, 1313924), (32522, 656962), (65044, 328481)]