21928036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 43552768

約数和(自身を除く): 21624732

約数列:

[1, 2, 4, 13, 26, 31, 52, 61, 62, 122, 124, 223, 244, 403, 446, 793, 806, 892, 1586, 1612, 1891, 2899, 3172, 3782, 5798, 6913, 7564, 11596, 13603, 13826, 24583, 27206, 27652, 49166, 54412, 89869, 98332, 176839, 179738, 353678, 359476, 421693, 707356, 843386, 1686772, 5482009, 10964018, 21928036]

約数ペア:

[(1, 21928036), (2, 10964018), (4, 5482009), (13, 1686772), (26, 843386), (31, 707356), (52, 421693), (61, 359476), (62, 353678), (122, 179738), (124, 176839), (223, 98332), (244, 89869), (403, 54412), (446, 49166), (793, 27652), (806, 27206), (892, 24583), (1586, 13826), (1612, 13603), (1891, 11596), (2899, 7564), (3172, 6913), (3782, 5798)]