21381180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{773}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 60074784

約数和(自身を除く): 38693604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 461, 773, 922, 1383, 1546, 1844, 2305, 2319, 2766, 3092, 3865, 4610, 4638, 5532, 6915, 7730, 9220, 9276, 11595, 13830, 15460, 23190, 27660, 46380, 356353, 712706, 1069059, 1425412, 1781765, 2138118, 3563530, 4276236, 5345295, 7127060, 10690590, 21381180]

約数ペア:

[(1, 21381180), (2, 10690590), (3, 7127060), (4, 5345295), (5, 4276236), (6, 3563530), (10, 2138118), (12, 1781765), (15, 1425412), (20, 1069059), (30, 712706), (60, 356353), (461, 46380), (773, 27660), (922, 23190), (1383, 15460), (1546, 13830), (1844, 11595), (2305, 9276), (2319, 9220), (2766, 7730), (3092, 6915), (3865, 5532), (4610, 4638)]