21769668

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{103}}^2$

素因数の和:238

約数の個数: 72

約数和(自身を含む): 59992800

約数和(自身を除く): 38223132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 103, 108, 114, 171, 206, 228, 309, 342, 412, 513, 618, 684, 927, 1026, 1236, 1854, 1957, 2052, 2781, 3708, 3914, 5562, 5871, 7828, 10609, 11124, 11742, 17613, 21218, 23484, 31827, 35226, 42436, 52839, 63654, 70452, 95481, 105678, 127308, 190962, 201571, 211356, 286443, 381924, 403142, 572886, 604713, 806284, 1145772, 1209426, 1814139, 2418852, 3628278, 5442417, 7256556, 10884834, 21769668]

約数ペア:

[(1, 21769668), (2, 10884834), (3, 7256556), (4, 5442417), (6, 3628278), (9, 2418852), (12, 1814139), (18, 1209426), (19, 1145772), (27, 806284), (36, 604713), (38, 572886), (54, 403142), (57, 381924), (76, 286443), (103, 211356), (108, 201571), (114, 190962), (171, 127308), (206, 105678), (228, 95481), (309, 70452), (342, 63654), (412, 52839), (513, 42436), (618, 35226), (684, 31827), (927, 23484), (1026, 21218), (1236, 17613), (1854, 11742), (1957, 11124), (2052, 10609), (2781, 7828), (3708, 5871), (3914, 5562)]