21522990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23143}}^1$

素因数の和:23184

約数の個数: 32

約数和(自身を含む): 53323776

約数和(自身を除く): 31800786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23143, 46286, 69429, 115715, 138858, 231430, 347145, 694290, 717433, 1434866, 2152299, 3587165, 4304598, 7174330, 10761495, 21522990]

約数ペア:

[(1, 21522990), (2, 10761495), (3, 7174330), (5, 4304598), (6, 3587165), (10, 2152299), (15, 1434866), (30, 717433), (31, 694290), (62, 347145), (93, 231430), (155, 138858), (186, 115715), (310, 69429), (465, 46286), (930, 23143)]