21172023500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{10427}}^1$

素因数の和:10608

約数の個数: 96

約数和(自身を含む): 48100276224

約数和(自身を除く): 26928252724

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 131, 155, 250, 262, 310, 500, 524, 620, 655, 775, 1310, 1550, 2620, 3100, 3275, 3875, 4061, 6550, 7750, 8122, 10427, 13100, 15500, 16244, 16375, 20305, 20854, 32750, 40610, 41708, 52135, 65500, 81220, 101525, 104270, 203050, 208540, 260675, 323237, 406100, 507625, 521350, 646474, 1015250, 1042700, 1292948, 1303375, 1365937, 1616185, 2030500, 2606750, 2731874, 3232370, 5213500, 5463748, 6464740, 6829685, 8080925, 13659370, 16161850, 27318740, 32323700, 34148425, 40404625, 42344047, 68296850, 80809250, 84688094, 136593700, 161618500, 169376188, 170742125, 211720235, 341484250, 423440470, 682968500, 846880940, 1058601175, 2117202350, 4234404700, 5293005875, 10586011750, 21172023500]

約数ペア:

[(1, 21172023500), (2, 10586011750), (4, 5293005875), (5, 4234404700), (10, 2117202350), (20, 1058601175), (25, 846880940), (31, 682968500), (50, 423440470), (62, 341484250), (100, 211720235), (124, 170742125), (125, 169376188), (131, 161618500), (155, 136593700), (250, 84688094), (262, 80809250), (310, 68296850), (500, 42344047), (524, 40404625), (620, 34148425), (655, 32323700), (775, 27318740), (1310, 16161850), (1550, 13659370), (2620, 8080925), (3100, 6829685), (3275, 6464740), (3875, 5463748), (4061, 5213500), (6550, 3232370), (7750, 2731874), (8122, 2606750), (10427, 2030500), (13100, 1616185), (15500, 1365937), (16244, 1303375), (16375, 1292948), (20305, 1042700), (20854, 1015250), (32750, 646474), (40610, 521350), (41708, 507625), (52135, 406100), (65500, 323237), (81220, 260675), (101525, 208540), (104270, 203050)]