21803310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3511}}^1$

素因数の和:3550

約数の個数: 64

約数和(自身を含む): 60687360

約数和(自身を除く): 38884050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 3511, 6210, 7022, 10533, 17555, 21066, 31599, 35110, 52665, 63198, 80753, 94797, 105330, 157995, 161506, 189594, 242259, 315990, 403765, 473985, 484518, 726777, 807530, 947970, 1211295, 1453554, 2180331, 2422590, 3633885, 4360662, 7267770, 10901655, 21803310]

約数ペア:

[(1, 21803310), (2, 10901655), (3, 7267770), (5, 4360662), (6, 3633885), (9, 2422590), (10, 2180331), (15, 1453554), (18, 1211295), (23, 947970), (27, 807530), (30, 726777), (45, 484518), (46, 473985), (54, 403765), (69, 315990), (90, 242259), (115, 189594), (135, 161506), (138, 157995), (207, 105330), (230, 94797), (270, 80753), (345, 63198), (414, 52665), (621, 35110), (690, 31599), (1035, 21066), (1242, 17555), (2070, 10533), (3105, 7022), (3511, 6210)]