21141552

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10243}}^1$

素因数の和:10297

約数の個数: 40

約数和(自身を含む): 55891264

約数和(自身を除く): 34749712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10243, 20486, 30729, 40972, 61458, 81944, 122916, 163888, 245832, 440449, 491664, 880898, 1321347, 1761796, 2642694, 3523592, 5285388, 7047184, 10570776, 21141552]

約数ペア:

[(1, 21141552), (2, 10570776), (3, 7047184), (4, 5285388), (6, 3523592), (8, 2642694), (12, 1761796), (16, 1321347), (24, 880898), (43, 491664), (48, 440449), (86, 245832), (129, 163888), (172, 122916), (258, 81944), (344, 61458), (516, 40972), (688, 30729), (1032, 20486), (2064, 10243)]