21537660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15607}}^1$

素因数の和:15642

約数の個数: 48

約数和(自身を含む): 62931456

約数和(自身を除く): 41393796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15607, 31214, 46821, 62428, 78035, 93642, 156070, 187284, 234105, 312140, 358961, 468210, 717922, 936420, 1076883, 1435844, 1794805, 2153766, 3589610, 4307532, 5384415, 7179220, 10768830, 21537660]

約数ペア:

[(1, 21537660), (2, 10768830), (3, 7179220), (4, 5384415), (5, 4307532), (6, 3589610), (10, 2153766), (12, 1794805), (15, 1435844), (20, 1076883), (23, 936420), (30, 717922), (46, 468210), (60, 358961), (69, 312140), (92, 234105), (115, 187284), (138, 156070), (230, 93642), (276, 78035), (345, 62428), (460, 46821), (690, 31214), (1380, 15607)]