21032830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 27230210

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 754, 797, 910, 1015, 1594, 1885, 2030, 2639, 3770, 3985, 5278, 5579, 7970, 10361, 11158, 13195, 20722, 23113, 26390, 27895, 46226, 51805, 55790, 72527, 103610, 115565, 145054, 161791, 231130, 300469, 323582, 362635, 600938, 725270, 808955, 1502345, 1617910, 2103283, 3004690, 4206566, 10516415, 21032830]

約数ペア:

[(1, 21032830), (2, 10516415), (5, 4206566), (7, 3004690), (10, 2103283), (13, 1617910), (14, 1502345), (26, 808955), (29, 725270), (35, 600938), (58, 362635), (65, 323582), (70, 300469), (91, 231130), (130, 161791), (145, 145054), (182, 115565), (203, 103610), (290, 72527), (377, 55790), (406, 51805), (455, 46226), (754, 27895), (797, 26390), (910, 23113), (1015, 20722), (1594, 13195), (1885, 11158), (2030, 10361), (2639, 7970), (3770, 5579), (3985, 5278)]