21213570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14431}}^1$

素因数の和:14455

約数の個数: 48

約数和(自身を含む): 59228928

約数和(自身を除く): 38015358

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14431, 28862, 43293, 72155, 86586, 101017, 144310, 202034, 216465, 303051, 432930, 505085, 606102, 707119, 1010170, 1414238, 1515255, 2121357, 3030510, 3535595, 4242714, 7071190, 10606785, 21213570]

約数ペア:

[(1, 21213570), (2, 10606785), (3, 7071190), (5, 4242714), (6, 3535595), (7, 3030510), (10, 2121357), (14, 1515255), (15, 1414238), (21, 1010170), (30, 707119), (35, 606102), (42, 505085), (49, 432930), (70, 303051), (98, 216465), (105, 202034), (147, 144310), (210, 101017), (245, 86586), (294, 72155), (490, 43293), (735, 28862), (1470, 14431)]