21406680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6607}}^1$

素因数の和:6630

約数の個数: 80

約数和(自身を含む): 71961120

約数和(自身を除く): 50554440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6607, 13214, 19821, 26428, 33035, 39642, 52856, 59463, 66070, 79284, 99105, 118926, 132140, 158568, 178389, 198210, 237852, 264280, 297315, 356778, 396420, 475704, 535167, 594630, 713556, 792840, 891945, 1070334, 1189260, 1427112, 1783890, 2140668, 2378520, 2675835, 3567780, 4281336, 5351670, 7135560, 10703340, 21406680]

約数ペア:

[(1, 21406680), (2, 10703340), (3, 7135560), (4, 5351670), (5, 4281336), (6, 3567780), (8, 2675835), (9, 2378520), (10, 2140668), (12, 1783890), (15, 1427112), (18, 1189260), (20, 1070334), (24, 891945), (27, 792840), (30, 713556), (36, 594630), (40, 535167), (45, 475704), (54, 396420), (60, 356778), (72, 297315), (81, 264280), (90, 237852), (108, 198210), (120, 178389), (135, 158568), (162, 132140), (180, 118926), (216, 99105), (270, 79284), (324, 66070), (360, 59463), (405, 52856), (540, 39642), (648, 33035), (810, 26428), (1080, 19821), (1620, 13214), (3240, 6607)]