21627510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1997}}^1$

素因数の和:2045

約数の個数: 48

約数和(自身を含む): 54809136

約数和(自身を除く): 33181626

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 361, 570, 722, 1083, 1805, 1997, 2166, 3610, 3994, 5415, 5991, 9985, 10830, 11982, 19970, 29955, 37943, 59910, 75886, 113829, 189715, 227658, 379430, 569145, 720917, 1138290, 1441834, 2162751, 3604585, 4325502, 7209170, 10813755, 21627510]

約数ペア:

[(1, 21627510), (2, 10813755), (3, 7209170), (5, 4325502), (6, 3604585), (10, 2162751), (15, 1441834), (19, 1138290), (30, 720917), (38, 569145), (57, 379430), (95, 227658), (114, 189715), (190, 113829), (285, 75886), (361, 59910), (570, 37943), (722, 29955), (1083, 19970), (1805, 11982), (1997, 10830), (2166, 9985), (3610, 5991), (3994, 5415)]