21234870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13879}}^1$

素因数の和:13909

約数の個数: 48

約数和(自身を含む): 58462560

約数和(自身を除く): 37227690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13879, 27758, 41637, 69395, 83274, 124911, 138790, 208185, 235943, 249822, 416370, 471886, 624555, 707829, 1179715, 1249110, 1415658, 2123487, 2359430, 3539145, 4246974, 7078290, 10617435, 21234870]

約数ペア:

[(1, 21234870), (2, 10617435), (3, 7078290), (5, 4246974), (6, 3539145), (9, 2359430), (10, 2123487), (15, 1415658), (17, 1249110), (18, 1179715), (30, 707829), (34, 624555), (45, 471886), (51, 416370), (85, 249822), (90, 235943), (102, 208185), (153, 138790), (170, 124911), (255, 83274), (306, 69395), (510, 41637), (765, 27758), (1530, 13879)]