21616296

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 59001600

約数和(自身を除く): 37385304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 79, 104, 156, 158, 237, 312, 316, 474, 632, 877, 948, 1027, 1754, 1896, 2054, 2631, 3081, 3508, 4108, 5262, 6162, 7016, 8216, 10524, 11401, 12324, 21048, 22802, 24648, 34203, 45604, 68406, 69283, 91208, 136812, 138566, 207849, 273624, 277132, 415698, 554264, 831396, 900679, 1662792, 1801358, 2702037, 3602716, 5404074, 7205432, 10808148, 21616296]

約数ペア:

[(1, 21616296), (2, 10808148), (3, 7205432), (4, 5404074), (6, 3602716), (8, 2702037), (12, 1801358), (13, 1662792), (24, 900679), (26, 831396), (39, 554264), (52, 415698), (78, 277132), (79, 273624), (104, 207849), (156, 138566), (158, 136812), (237, 91208), (312, 69283), (316, 68406), (474, 45604), (632, 34203), (877, 24648), (948, 22802), (1027, 21048), (1754, 12324), (1896, 11401), (2054, 10524), (2631, 8216), (3081, 7016), (3508, 6162), (4108, 5262)]