20210206590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10693231}}^1$

素因数の和:10693254

約数の個数: 64

約数和(自身を含む): 61593016320

約数和(自身を除く): 41382809730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10693231, 21386462, 32079693, 53466155, 64159386, 74852617, 96239079, 106932310, 149705234, 160398465, 192478158, 224557851, 288717237, 320796930, 374263085, 449115702, 481195395, 577434474, 673673553, 748526170, 962390790, 1122789255, 1347347106, 1443586185, 2021020659, 2245578510, 2887172370, 3368367765, 4042041318, 6736735530, 10105103295, 20210206590]

約数ペア:

[(1, 20210206590), (2, 10105103295), (3, 6736735530), (5, 4042041318), (6, 3368367765), (7, 2887172370), (9, 2245578510), (10, 2021020659), (14, 1443586185), (15, 1347347106), (18, 1122789255), (21, 962390790), (27, 748526170), (30, 673673553), (35, 577434474), (42, 481195395), (45, 449115702), (54, 374263085), (63, 320796930), (70, 288717237), (90, 224557851), (105, 192478158), (126, 160398465), (135, 149705234), (189, 106932310), (210, 96239079), (270, 74852617), (315, 64159386), (378, 53466155), (630, 32079693), (945, 21386462), (1890, 10693231)]