21458970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18341}}^1$

素因数の和:18367

約数の個数: 48

約数和(自身を含む): 60088392

約数和(自身を除く): 38629422

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18341, 36682, 55023, 91705, 110046, 165069, 183410, 238433, 275115, 330138, 476866, 550230, 715299, 825345, 1192165, 1430598, 1650690, 2145897, 2384330, 3576495, 4291794, 7152990, 10729485, 21458970]

約数ペア:

[(1, 21458970), (2, 10729485), (3, 7152990), (5, 4291794), (6, 3576495), (9, 2384330), (10, 2145897), (13, 1650690), (15, 1430598), (18, 1192165), (26, 825345), (30, 715299), (39, 550230), (45, 476866), (65, 330138), (78, 275115), (90, 238433), (117, 183410), (130, 165069), (195, 110046), (234, 91705), (390, 55023), (585, 36682), (1170, 18341)]