21844060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4217}}^1$

素因数の和:4270

約数の個数: 48

約数和(自身を含む): 53855424

約数和(自身を除く): 32011364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 4217, 5180, 8434, 16868, 21085, 29519, 42170, 59038, 84340, 118076, 147595, 156029, 295190, 312058, 590380, 624116, 780145, 1092203, 1560290, 2184406, 3120580, 4368812, 5461015, 10922030, 21844060]

約数ペア:

[(1, 21844060), (2, 10922030), (4, 5461015), (5, 4368812), (7, 3120580), (10, 2184406), (14, 1560290), (20, 1092203), (28, 780145), (35, 624116), (37, 590380), (70, 312058), (74, 295190), (140, 156029), (148, 147595), (185, 118076), (259, 84340), (370, 59038), (518, 42170), (740, 29519), (1036, 21085), (1295, 16868), (2590, 8434), (4217, 5180)]