21372344

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4831}}^1$

素因数の和:4923

約数の個数: 32

約数和(自身を含む): 46387200

約数和(自身を除く): 25014856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4831, 9662, 19324, 33817, 38648, 67634, 135268, 270536, 381649, 763298, 1526596, 2671543, 3053192, 5343086, 10686172, 21372344]

約数ペア:

[(1, 21372344), (2, 10686172), (4, 5343086), (7, 3053192), (8, 2671543), (14, 1526596), (28, 763298), (56, 381649), (79, 270536), (158, 135268), (316, 67634), (553, 38648), (632, 33817), (1106, 19324), (2212, 9662), (4424, 4831)]