21881310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1169

約数の個数: 64

約数和(自身を含む): 58281984

約数和(自身を除く): 36400674

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 110, 122, 165, 183, 305, 330, 366, 610, 671, 915, 1087, 1342, 1830, 2013, 2174, 3261, 3355, 4026, 5435, 6522, 6710, 10065, 10870, 11957, 16305, 20130, 23914, 32610, 35871, 59785, 66307, 71742, 119570, 132614, 179355, 198921, 331535, 358710, 397842, 663070, 729377, 994605, 1458754, 1989210, 2188131, 3646885, 4376262, 7293770, 10940655, 21881310]

約数ペア:

[(1, 21881310), (2, 10940655), (3, 7293770), (5, 4376262), (6, 3646885), (10, 2188131), (11, 1989210), (15, 1458754), (22, 994605), (30, 729377), (33, 663070), (55, 397842), (61, 358710), (66, 331535), (110, 198921), (122, 179355), (165, 132614), (183, 119570), (305, 71742), (330, 66307), (366, 59785), (610, 35871), (671, 32610), (915, 23914), (1087, 20130), (1342, 16305), (1830, 11957), (2013, 10870), (2174, 10065), (3261, 6710), (3355, 6522), (4026, 5435)]