21246120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8431}}^1$

素因数の和:8455

約数の個数: 96

約数和(自身を含む): 78923520

約数和(自身を除く): 57677400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8431, 16862, 25293, 33724, 42155, 50586, 59017, 67448, 75879, 84310, 101172, 118034, 126465, 151758, 168620, 177051, 202344, 236068, 252930, 295085, 303516, 337240, 354102, 379395, 472136, 505860, 531153, 590170, 607032, 708204, 758790, 885255, 1011720, 1062306, 1180340, 1416408, 1517580, 1770510, 2124612, 2360680, 2655765, 3035160, 3541020, 4249224, 5311530, 7082040, 10623060, 21246120]

約数ペア:

[(1, 21246120), (2, 10623060), (3, 7082040), (4, 5311530), (5, 4249224), (6, 3541020), (7, 3035160), (8, 2655765), (9, 2360680), (10, 2124612), (12, 1770510), (14, 1517580), (15, 1416408), (18, 1180340), (20, 1062306), (21, 1011720), (24, 885255), (28, 758790), (30, 708204), (35, 607032), (36, 590170), (40, 531153), (42, 505860), (45, 472136), (56, 379395), (60, 354102), (63, 337240), (70, 303516), (72, 295085), (84, 252930), (90, 236068), (105, 202344), (120, 177051), (126, 168620), (140, 151758), (168, 126465), (180, 118034), (210, 101172), (252, 84310), (280, 75879), (315, 67448), (360, 59017), (420, 50586), (504, 42155), (630, 33724), (840, 25293), (1260, 16862), (2520, 8431)]