21229020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39313}}^1$

素因数の和:39331

約数の個数: 48

約数和(自身を含む): 66047520

約数和(自身を除く): 44818500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39313, 78626, 117939, 157252, 196565, 235878, 353817, 393130, 471756, 589695, 707634, 786260, 1061451, 1179390, 1415268, 1769085, 2122902, 2358780, 3538170, 4245804, 5307255, 7076340, 10614510, 21229020]

約数ペア:

[(1, 21229020), (2, 10614510), (3, 7076340), (4, 5307255), (5, 4245804), (6, 3538170), (9, 2358780), (10, 2122902), (12, 1769085), (15, 1415268), (18, 1179390), (20, 1061451), (27, 786260), (30, 707634), (36, 589695), (45, 471756), (54, 393130), (60, 353817), (90, 235878), (108, 196565), (135, 157252), (180, 117939), (270, 78626), (540, 39313)]