21742688

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3251}}^1$

素因数の和:3291

約数の個数: 48

約数和(自身を含む): 49170240

約数和(自身を除く): 27427552

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3251, 3344, 6502, 6688, 13004, 26008, 35761, 52016, 61769, 71522, 104032, 123538, 143044, 247076, 286088, 494152, 572176, 679459, 988304, 1144352, 1358918, 1976608, 2717836, 5435672, 10871344, 21742688]

約数ペア:

[(1, 21742688), (2, 10871344), (4, 5435672), (8, 2717836), (11, 1976608), (16, 1358918), (19, 1144352), (22, 988304), (32, 679459), (38, 572176), (44, 494152), (76, 286088), (88, 247076), (152, 143044), (176, 123538), (209, 104032), (304, 71522), (352, 61769), (418, 52016), (608, 35761), (836, 26008), (1672, 13004), (3251, 6688), (3344, 6502)]