21189720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6089}}^1$

素因数の和:6132

約数の個数: 64

約数和(自身を含む): 65772000

約数和(自身を除く): 44582280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 6089, 12178, 18267, 24356, 30445, 36534, 48712, 60890, 73068, 91335, 121780, 146136, 176581, 182670, 243560, 353162, 365340, 529743, 706324, 730680, 882905, 1059486, 1412648, 1765810, 2118972, 2648715, 3531620, 4237944, 5297430, 7063240, 10594860, 21189720]

約数ペア:

[(1, 21189720), (2, 10594860), (3, 7063240), (4, 5297430), (5, 4237944), (6, 3531620), (8, 2648715), (10, 2118972), (12, 1765810), (15, 1412648), (20, 1059486), (24, 882905), (29, 730680), (30, 706324), (40, 529743), (58, 365340), (60, 353162), (87, 243560), (116, 182670), (120, 176581), (145, 146136), (174, 121780), (232, 91335), (290, 73068), (348, 60890), (435, 48712), (580, 36534), (696, 30445), (870, 24356), (1160, 18267), (1740, 12178), (3480, 6089)]