21065130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 57139200

約数和(自身を除く): 36074070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1279, 1647, 1830, 2558, 2745, 3294, 3837, 5490, 6395, 7674, 8235, 11511, 12790, 16470, 19185, 23022, 34533, 38370, 57555, 69066, 78019, 115110, 156038, 172665, 234057, 345330, 390095, 468114, 702171, 780190, 1170285, 1404342, 2106513, 2340570, 3510855, 4213026, 7021710, 10532565, 21065130]

約数ペア:

[(1, 21065130), (2, 10532565), (3, 7021710), (5, 4213026), (6, 3510855), (9, 2340570), (10, 2106513), (15, 1404342), (18, 1170285), (27, 780190), (30, 702171), (45, 468114), (54, 390095), (61, 345330), (90, 234057), (122, 172665), (135, 156038), (183, 115110), (270, 78019), (305, 69066), (366, 57555), (549, 38370), (610, 34533), (915, 23022), (1098, 19185), (1279, 16470), (1647, 12790), (1830, 11511), (2558, 8235), (2745, 7674), (3294, 6395), (3837, 5490)]