21986352

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2503}}^1$

素因数の和:2578

約数の個数: 60

約数和(自身を含む): 62564944

約数和(自身を除く): 40578592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2503, 2928, 4392, 5006, 7509, 8784, 10012, 15018, 20024, 22527, 30036, 40048, 45054, 60072, 90108, 120144, 152683, 180216, 305366, 360432, 458049, 610732, 916098, 1221464, 1374147, 1832196, 2442928, 2748294, 3664392, 5496588, 7328784, 10993176, 21986352]

約数ペア:

[(1, 21986352), (2, 10993176), (3, 7328784), (4, 5496588), (6, 3664392), (8, 2748294), (9, 2442928), (12, 1832196), (16, 1374147), (18, 1221464), (24, 916098), (36, 610732), (48, 458049), (61, 360432), (72, 305366), (122, 180216), (144, 152683), (183, 120144), (244, 90108), (366, 60072), (488, 45054), (549, 40048), (732, 30036), (976, 22527), (1098, 20024), (1464, 15018), (2196, 10012), (2503, 8784), (2928, 7509), (4392, 5006)]