21344040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19763}}^1$

素因数の和:19783

約数の個数: 64

約数和(自身を含む): 71150400

約数和(自身を除く): 49806360

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19763, 39526, 59289, 79052, 98815, 118578, 158104, 177867, 197630, 237156, 296445, 355734, 395260, 474312, 533601, 592890, 711468, 790520, 889335, 1067202, 1185780, 1422936, 1778670, 2134404, 2371560, 2668005, 3557340, 4268808, 5336010, 7114680, 10672020, 21344040]

約数ペア:

[(1, 21344040), (2, 10672020), (3, 7114680), (4, 5336010), (5, 4268808), (6, 3557340), (8, 2668005), (9, 2371560), (10, 2134404), (12, 1778670), (15, 1422936), (18, 1185780), (20, 1067202), (24, 889335), (27, 790520), (30, 711468), (36, 592890), (40, 533601), (45, 474312), (54, 395260), (60, 355734), (72, 296445), (90, 237156), (108, 197630), (120, 177867), (135, 158104), (180, 118578), (216, 98815), (270, 79052), (360, 59289), (540, 39526), (1080, 19763)]