21145158

素因数分解:

$2^1\times 3^3\times {\mathrm{101}}^1\times {\mathrm{3877}}^1$

素因数の和:3989

約数の個数: 32

約数和(自身を含む): 47466720

約数和(自身を除く): 26321562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 101, 202, 303, 606, 909, 1818, 2727, 3877, 5454, 7754, 11631, 23262, 34893, 69786, 104679, 209358, 391577, 783154, 1174731, 2349462, 3524193, 7048386, 10572579, 21145158]

約数ペア:

[(1, 21145158), (2, 10572579), (3, 7048386), (6, 3524193), (9, 2349462), (18, 1174731), (27, 783154), (54, 391577), (101, 209358), (202, 104679), (303, 69786), (606, 34893), (909, 23262), (1818, 11631), (2727, 7754), (3877, 5454)]