21774675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 18722733

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 971, 975, 1495, 1725, 2913, 4485, 4855, 7475, 12623, 14565, 22333, 22425, 24275, 37869, 63115, 66999, 72825, 111665, 189345, 290329, 315575, 334995, 558325, 870987, 946725, 1451645, 1674975, 4354935, 7258225, 21774675]

約数ペア:

[(1, 21774675), (3, 7258225), (5, 4354935), (13, 1674975), (15, 1451645), (23, 946725), (25, 870987), (39, 558325), (65, 334995), (69, 315575), (75, 290329), (115, 189345), (195, 111665), (299, 72825), (325, 66999), (345, 63115), (575, 37869), (897, 24275), (971, 22425), (975, 22333), (1495, 14565), (1725, 12623), (2913, 7475), (4485, 4855)]