21588090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 32601990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 139, 155, 167, 186, 278, 310, 334, 417, 465, 501, 695, 834, 835, 930, 1002, 1390, 1670, 2085, 2505, 4170, 4309, 5010, 5177, 8618, 10354, 12927, 15531, 21545, 23213, 25854, 25885, 31062, 43090, 46426, 51770, 64635, 69639, 77655, 116065, 129270, 139278, 155310, 232130, 348195, 696390, 719603, 1439206, 2158809, 3598015, 4317618, 7196030, 10794045, 21588090]

約数ペア:

[(1, 21588090), (2, 10794045), (3, 7196030), (5, 4317618), (6, 3598015), (10, 2158809), (15, 1439206), (30, 719603), (31, 696390), (62, 348195), (93, 232130), (139, 155310), (155, 139278), (167, 129270), (186, 116065), (278, 77655), (310, 69639), (334, 64635), (417, 51770), (465, 46426), (501, 43090), (695, 31062), (834, 25885), (835, 25854), (930, 23213), (1002, 21545), (1390, 15531), (1670, 12927), (2085, 10354), (2505, 8618), (4170, 5177), (4309, 5010)]