20212009930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1283}}^1\times {\mathrm{3359}}^1$

素因数の和:4723

約数の個数: 64

約数和(自身を含む): 42245038080

約数和(自身を除く): 22033028150

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 1283, 2345, 2566, 3359, 4690, 6415, 6718, 8981, 12830, 16795, 17962, 23513, 33590, 44905, 47026, 85961, 89810, 117565, 171922, 225053, 235130, 429805, 450106, 601727, 859610, 1125265, 1203454, 1575371, 2250530, 3008635, 3150742, 4309597, 6017270, 7876855, 8619194, 15753710, 21547985, 30167179, 43095970, 60334358, 150835895, 288742999, 301671790, 577485998, 1443714995, 2021200993, 2887429990, 4042401986, 10106004965, 20212009930]

約数ペア:

[(1, 20212009930), (2, 10106004965), (5, 4042401986), (7, 2887429990), (10, 2021200993), (14, 1443714995), (35, 577485998), (67, 301671790), (70, 288742999), (134, 150835895), (335, 60334358), (469, 43095970), (670, 30167179), (938, 21547985), (1283, 15753710), (2345, 8619194), (2566, 7876855), (3359, 6017270), (4690, 4309597), (6415, 3150742), (6718, 3008635), (8981, 2250530), (12830, 1575371), (16795, 1203454), (17962, 1125265), (23513, 859610), (33590, 601727), (44905, 450106), (47026, 429805), (85961, 235130), (89810, 225053), (117565, 171922)]