21071630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{673}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 39598848

約数和(自身を除く): 18527218

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 673, 1010, 1346, 3131, 3365, 6262, 6730, 15655, 20863, 31310, 41726, 67973, 104315, 135946, 208630, 339865, 679730, 2107163, 4214326, 10535815, 21071630]

約数ペア:

[(1, 21071630), (2, 10535815), (5, 4214326), (10, 2107163), (31, 679730), (62, 339865), (101, 208630), (155, 135946), (202, 104315), (310, 67973), (505, 41726), (673, 31310), (1010, 20863), (1346, 15655), (3131, 6730), (3365, 6262)]