21545460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2347}}^1$

素因数の和:2382

約数の個数: 96

約数和(自身を含む): 71003520

約数和(自身を除く): 49458060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 2347, 3060, 4590, 4694, 7041, 9180, 9388, 11735, 14082, 21123, 23470, 28164, 35205, 39899, 42246, 46940, 63369, 70410, 79798, 84492, 105615, 119697, 126738, 140820, 159596, 199495, 211230, 239394, 253476, 316845, 359091, 398990, 422460, 478788, 598485, 633690, 718182, 797980, 1077273, 1196970, 1267380, 1436364, 1795455, 2154546, 2393940, 3590910, 4309092, 5386365, 7181820, 10772730, 21545460]

約数ペア:

[(1, 21545460), (2, 10772730), (3, 7181820), (4, 5386365), (5, 4309092), (6, 3590910), (9, 2393940), (10, 2154546), (12, 1795455), (15, 1436364), (17, 1267380), (18, 1196970), (20, 1077273), (27, 797980), (30, 718182), (34, 633690), (36, 598485), (45, 478788), (51, 422460), (54, 398990), (60, 359091), (68, 316845), (85, 253476), (90, 239394), (102, 211230), (108, 199495), (135, 159596), (153, 140820), (170, 126738), (180, 119697), (204, 105615), (255, 84492), (270, 79798), (306, 70410), (340, 63369), (459, 46940), (510, 42246), (540, 39899), (612, 35205), (765, 28164), (918, 23470), (1020, 21123), (1530, 14082), (1836, 11735), (2295, 9388), (2347, 9180), (3060, 7041), (4590, 4694)]