21398713520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14078101}}^1$

素因数の和:14078133

約数の個数: 40

約数和(自身を含む): 52370539440

約数和(自身を除く): 30971825920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 14078101, 28156202, 56312404, 70390505, 112624808, 140781010, 225249616, 267483919, 281562020, 534967838, 563124040, 1069935676, 1126248080, 1337419595, 2139871352, 2674839190, 4279742704, 5349678380, 10699356760, 21398713520]

約数ペア:

[(1, 21398713520), (2, 10699356760), (4, 5349678380), (5, 4279742704), (8, 2674839190), (10, 2139871352), (16, 1337419595), (19, 1126248080), (20, 1069935676), (38, 563124040), (40, 534967838), (76, 281562020), (80, 267483919), (95, 225249616), (152, 140781010), (190, 112624808), (304, 70390505), (380, 56312404), (760, 28156202), (1520, 14078101)]