21000810900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1249}}^1\times {\mathrm{1367}}^1$

素因数の和:2674

約数の個数: 144

約数和(自身を含む): 62339760000

約数和(自身を除く): 41338949100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 150, 164, 205, 246, 300, 410, 492, 615, 820, 1025, 1230, 1249, 1367, 2050, 2460, 2498, 2734, 3075, 3747, 4100, 4101, 4996, 5468, 6150, 6245, 6835, 7494, 8202, 12300, 12490, 13670, 14988, 16404, 18735, 20505, 24980, 27340, 31225, 34175, 37470, 41010, 51209, 56047, 62450, 68350, 74940, 82020, 93675, 102418, 102525, 112094, 124900, 136700, 153627, 168141, 187350, 204836, 205050, 224188, 256045, 280235, 307254, 336282, 374700, 410100, 512090, 560470, 614508, 672564, 768135, 840705, 1024180, 1120940, 1280225, 1401175, 1536270, 1681410, 1707383, 2560450, 2802350, 3072540, 3362820, 3414766, 3840675, 4203525, 5120900, 5122149, 5604700, 6829532, 7681350, 8407050, 8536915, 10244298, 15362700, 16814100, 17073830, 20488596, 25610745, 34147660, 42684575, 51221490, 70002703, 85369150, 102442980, 128053725, 140005406, 170738300, 210008109, 256107450, 280010812, 350013515, 420016218, 512214900, 700027030, 840032436, 1050040545, 1400054060, 1750067575, 2100081090, 3500135150, 4200162180, 5250202725, 7000270300, 10500405450, 21000810900]

約数ペア:

[(1, 21000810900), (2, 10500405450), (3, 7000270300), (4, 5250202725), (5, 4200162180), (6, 3500135150), (10, 2100081090), (12, 1750067575), (15, 1400054060), (20, 1050040545), (25, 840032436), (30, 700027030), (41, 512214900), (50, 420016218), (60, 350013515), (75, 280010812), (82, 256107450), (100, 210008109), (123, 170738300), (150, 140005406), (164, 128053725), (205, 102442980), (246, 85369150), (300, 70002703), (410, 51221490), (492, 42684575), (615, 34147660), (820, 25610745), (1025, 20488596), (1230, 17073830), (1249, 16814100), (1367, 15362700), (2050, 10244298), (2460, 8536915), (2498, 8407050), (2734, 7681350), (3075, 6829532), (3747, 5604700), (4100, 5122149), (4101, 5120900), (4996, 4203525), (5468, 3840675), (6150, 3414766), (6245, 3362820), (6835, 3072540), (7494, 2802350), (8202, 2560450), (12300, 1707383), (12490, 1681410), (13670, 1536270), (14988, 1401175), (16404, 1280225), (18735, 1120940), (20505, 1024180), (24980, 840705), (27340, 768135), (31225, 672564), (34175, 614508), (37470, 560470), (41010, 512090), (51209, 410100), (56047, 374700), (62450, 336282), (68350, 307254), (74940, 280235), (82020, 256045), (93675, 224188), (102418, 205050), (102525, 204836), (112094, 187350), (124900, 168141), (136700, 153627)]