21117564

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^3\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 59976000

約数和(自身を除く): 38858436

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 89, 108, 117, 156, 169, 178, 234, 267, 338, 351, 356, 468, 507, 534, 676, 702, 801, 1014, 1068, 1157, 1404, 1521, 1602, 2028, 2197, 2314, 2403, 3042, 3204, 3471, 4394, 4563, 4628, 4806, 6084, 6591, 6942, 8788, 9126, 9612, 10413, 13182, 13884, 15041, 18252, 19773, 20826, 26364, 30082, 31239, 39546, 41652, 45123, 59319, 60164, 62478, 79092, 90246, 118638, 124956, 135369, 180492, 195533, 237276, 270738, 391066, 406107, 541476, 586599, 782132, 812214, 1173198, 1624428, 1759797, 2346396, 3519594, 5279391, 7039188, 10558782, 21117564]

約数ペア:

[(1, 21117564), (2, 10558782), (3, 7039188), (4, 5279391), (6, 3519594), (9, 2346396), (12, 1759797), (13, 1624428), (18, 1173198), (26, 812214), (27, 782132), (36, 586599), (39, 541476), (52, 406107), (54, 391066), (78, 270738), (89, 237276), (108, 195533), (117, 180492), (156, 135369), (169, 124956), (178, 118638), (234, 90246), (267, 79092), (338, 62478), (351, 60164), (356, 59319), (468, 45123), (507, 41652), (534, 39546), (676, 31239), (702, 30082), (801, 26364), (1014, 20826), (1068, 19773), (1157, 18252), (1404, 15041), (1521, 13884), (1602, 13182), (2028, 10413), (2197, 9612), (2314, 9126), (2403, 8788), (3042, 6942), (3204, 6591), (3471, 6084), (4394, 4806), (4563, 4628)]