21813786

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^2\times {\mathrm{373}}^1$

素因数の和:425

約数の個数: 60

約数和(自身を含む): 51725322

約数和(自身を除く): 29911536

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 361, 373, 513, 722, 746, 1026, 1083, 1119, 1539, 2166, 2238, 3078, 3249, 3357, 6498, 6714, 7087, 9747, 10071, 14174, 19494, 20142, 21261, 29241, 30213, 42522, 58482, 60426, 63783, 127566, 134653, 191349, 269306, 382698, 403959, 574047, 807918, 1148094, 1211877, 2423754, 3635631, 7271262, 10906893, 21813786]

約数ペア:

[(1, 21813786), (2, 10906893), (3, 7271262), (6, 3635631), (9, 2423754), (18, 1211877), (19, 1148094), (27, 807918), (38, 574047), (54, 403959), (57, 382698), (81, 269306), (114, 191349), (162, 134653), (171, 127566), (342, 63783), (361, 60426), (373, 58482), (513, 42522), (722, 30213), (746, 29241), (1026, 21261), (1083, 20142), (1119, 19494), (1539, 14174), (2166, 10071), (2238, 9747), (3078, 7087), (3249, 6714), (3357, 6498)]