21163500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4703}}^1$

素因数の和:4728

約数の個数: 72

約数和(自身を含む): 66777984

約数和(自身を除く): 45614484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4703, 9406, 14109, 18812, 23515, 28218, 42327, 47030, 56436, 70545, 84654, 94060, 117575, 141090, 169308, 211635, 235150, 282180, 352725, 423270, 470300, 587875, 705450, 846540, 1058175, 1175750, 1410900, 1763625, 2116350, 2351500, 3527250, 4232700, 5290875, 7054500, 10581750, 21163500]

約数ペア:

[(1, 21163500), (2, 10581750), (3, 7054500), (4, 5290875), (5, 4232700), (6, 3527250), (9, 2351500), (10, 2116350), (12, 1763625), (15, 1410900), (18, 1175750), (20, 1058175), (25, 846540), (30, 705450), (36, 587875), (45, 470300), (50, 423270), (60, 352725), (75, 282180), (90, 235150), (100, 211635), (125, 169308), (150, 141090), (180, 117575), (225, 94060), (250, 84654), (300, 70545), (375, 56436), (450, 47030), (500, 42327), (750, 28218), (900, 23515), (1125, 18812), (1500, 14109), (2250, 9406), (4500, 4703)]