21437778830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1\times {\mathrm{1231}}^1$

素因数の和:2589

約数の個数: 64

約数和(自身を含む): 42005779200

約数和(自身を除く): 20568000370

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1229, 1231, 1417, 2458, 2462, 2834, 6145, 6155, 7085, 12290, 12310, 14170, 15977, 16003, 31954, 32006, 79885, 80015, 133961, 134179, 159770, 160030, 267922, 268358, 669805, 670895, 1339610, 1341790, 1512899, 1741493, 1744327, 3025798, 3482986, 3488654, 7564495, 8707465, 8721635, 15128990, 17414930, 17443270, 19667687, 39335374, 98338435, 164905991, 196676870, 329811982, 824529955, 1649059910, 2143777883, 4287555766, 10718889415, 21437778830]

約数ペア:

[(1, 21437778830), (2, 10718889415), (5, 4287555766), (10, 2143777883), (13, 1649059910), (26, 824529955), (65, 329811982), (109, 196676870), (130, 164905991), (218, 98338435), (545, 39335374), (1090, 19667687), (1229, 17443270), (1231, 17414930), (1417, 15128990), (2458, 8721635), (2462, 8707465), (2834, 7564495), (6145, 3488654), (6155, 3482986), (7085, 3025798), (12290, 1744327), (12310, 1741493), (14170, 1512899), (15977, 1341790), (16003, 1339610), (31954, 670895), (32006, 669805), (79885, 268358), (80015, 267922), (133961, 160030), (134179, 159770)]