21077762020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{62549}}^1$

素因数の和:62677

約数の個数: 96

約数和(自身を含む): 52962336000

約数和(自身を除く): 31884573980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 83, 116, 140, 145, 166, 203, 290, 332, 406, 415, 580, 581, 812, 830, 1015, 1162, 1660, 2030, 2324, 2407, 2905, 4060, 4814, 5810, 9628, 11620, 12035, 16849, 24070, 33698, 48140, 62549, 67396, 84245, 125098, 168490, 250196, 312745, 336980, 437843, 625490, 875686, 1250980, 1751372, 1813921, 2189215, 3627842, 4378430, 5191567, 7255684, 8756860, 9069605, 10383134, 12697447, 18139210, 20766268, 25394894, 25957835, 36278420, 36340969, 50789788, 51915670, 63487235, 72681938, 103831340, 126974470, 145363876, 150555443, 181704845, 253948940, 301110886, 363409690, 602221772, 726819380, 752777215, 1053888101, 1505554430, 2107776202, 3011108860, 4215552404, 5269440505, 10538881010, 21077762020]

約数ペア:

[(1, 21077762020), (2, 10538881010), (4, 5269440505), (5, 4215552404), (7, 3011108860), (10, 2107776202), (14, 1505554430), (20, 1053888101), (28, 752777215), (29, 726819380), (35, 602221772), (58, 363409690), (70, 301110886), (83, 253948940), (116, 181704845), (140, 150555443), (145, 145363876), (166, 126974470), (203, 103831340), (290, 72681938), (332, 63487235), (406, 51915670), (415, 50789788), (580, 36340969), (581, 36278420), (812, 25957835), (830, 25394894), (1015, 20766268), (1162, 18139210), (1660, 12697447), (2030, 10383134), (2324, 9069605), (2407, 8756860), (2905, 7255684), (4060, 5191567), (4814, 4378430), (5810, 3627842), (9628, 2189215), (11620, 1813921), (12035, 1751372), (16849, 1250980), (24070, 875686), (33698, 625490), (48140, 437843), (62549, 336980), (67396, 312745), (84245, 250196), (125098, 168490)]