21638520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60107}}^1$

素因数の和:60124

約数の個数: 48

約数和(自身を含む): 70326360

約数和(自身を除く): 48687840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60107, 120214, 180321, 240428, 300535, 360642, 480856, 540963, 601070, 721284, 901605, 1081926, 1202140, 1442568, 1803210, 2163852, 2404280, 2704815, 3606420, 4327704, 5409630, 7212840, 10819260, 21638520]

約数ペア:

[(1, 21638520), (2, 10819260), (3, 7212840), (4, 5409630), (5, 4327704), (6, 3606420), (8, 2704815), (9, 2404280), (10, 2163852), (12, 1803210), (15, 1442568), (18, 1202140), (20, 1081926), (24, 901605), (30, 721284), (36, 601070), (40, 540963), (45, 480856), (60, 360642), (72, 300535), (90, 240428), (120, 180321), (180, 120214), (360, 60107)]