21536520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179471}}^1$

素因数の和:179485

約数の個数: 32

約数和(自身を含む): 64609920

約数和(自身を除く): 43073400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179471, 358942, 538413, 717884, 897355, 1076826, 1435768, 1794710, 2153652, 2692065, 3589420, 4307304, 5384130, 7178840, 10768260, 21536520]

約数ペア:

[(1, 21536520), (2, 10768260), (3, 7178840), (4, 5384130), (5, 4307304), (6, 3589420), (8, 2692065), (10, 2153652), (12, 1794710), (15, 1435768), (20, 1076826), (24, 897355), (30, 717884), (40, 538413), (60, 358942), (120, 179471)]