20171421690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{4441}}^1$

素因数の和:5004

約数の個数: 128

約数和(自身を含む): 56739336192

約数和(自身を除く): 36567914502

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 503, 602, 645, 903, 1006, 1290, 1505, 1509, 1806, 2515, 3010, 3018, 3521, 4441, 4515, 5030, 7042, 7545, 8882, 9030, 10563, 13323, 15090, 17605, 21126, 21629, 22205, 26646, 31087, 35210, 43258, 44410, 52815, 62174, 64887, 66615, 93261, 105630, 108145, 129774, 133230, 151403, 155435, 186522, 190963, 216290, 302806, 310870, 324435, 381926, 454209, 466305, 572889, 648870, 757015, 908418, 932610, 954815, 1145778, 1336741, 1514030, 1909630, 2233823, 2271045, 2673482, 2864445, 4010223, 4467646, 4542090, 5728890, 6683705, 6701469, 8020446, 11169115, 13367410, 13402938, 15636761, 20051115, 22338230, 31273522, 33507345, 40102230, 46910283, 67014690, 78183805, 93820566, 96054389, 156367610, 192108778, 234551415, 288163167, 469102830, 480271945, 576326334, 672380723, 960543890, 1344761446, 1440815835, 2017142169, 2881631670, 3361903615, 4034284338, 6723807230, 10085710845, 20171421690]

約数ペア:

[(1, 20171421690), (2, 10085710845), (3, 6723807230), (5, 4034284338), (6, 3361903615), (7, 2881631670), (10, 2017142169), (14, 1440815835), (15, 1344761446), (21, 960543890), (30, 672380723), (35, 576326334), (42, 480271945), (43, 469102830), (70, 288163167), (86, 234551415), (105, 192108778), (129, 156367610), (210, 96054389), (215, 93820566), (258, 78183805), (301, 67014690), (430, 46910283), (503, 40102230), (602, 33507345), (645, 31273522), (903, 22338230), (1006, 20051115), (1290, 15636761), (1505, 13402938), (1509, 13367410), (1806, 11169115), (2515, 8020446), (3010, 6701469), (3018, 6683705), (3521, 5728890), (4441, 4542090), (4515, 4467646), (5030, 4010223), (7042, 2864445), (7545, 2673482), (8882, 2271045), (9030, 2233823), (10563, 1909630), (13323, 1514030), (15090, 1336741), (17605, 1145778), (21126, 954815), (21629, 932610), (22205, 908418), (26646, 757015), (31087, 648870), (35210, 572889), (43258, 466305), (44410, 454209), (52815, 381926), (62174, 324435), (64887, 310870), (66615, 302806), (93261, 216290), (105630, 190963), (108145, 186522), (129774, 155435), (133230, 151403)]