21665424

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1168

約数の個数: 80

約数和(自身を含む): 62763840

約数和(自身を除く): 41098416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 37, 44, 48, 66, 74, 88, 111, 132, 148, 176, 222, 264, 296, 407, 444, 528, 592, 814, 888, 1109, 1221, 1628, 1776, 2218, 2442, 3256, 3327, 4436, 4884, 6512, 6654, 8872, 9768, 12199, 13308, 17744, 19536, 24398, 26616, 36597, 41033, 48796, 53232, 73194, 82066, 97592, 123099, 146388, 164132, 195184, 246198, 292776, 328264, 451363, 492396, 585552, 656528, 902726, 984792, 1354089, 1805452, 1969584, 2708178, 3610904, 5416356, 7221808, 10832712, 21665424]

約数ペア:

[(1, 21665424), (2, 10832712), (3, 7221808), (4, 5416356), (6, 3610904), (8, 2708178), (11, 1969584), (12, 1805452), (16, 1354089), (22, 984792), (24, 902726), (33, 656528), (37, 585552), (44, 492396), (48, 451363), (66, 328264), (74, 292776), (88, 246198), (111, 195184), (132, 164132), (148, 146388), (176, 123099), (222, 97592), (264, 82066), (296, 73194), (407, 53232), (444, 48796), (528, 41033), (592, 36597), (814, 26616), (888, 24398), (1109, 19536), (1221, 17744), (1628, 13308), (1776, 12199), (2218, 9768), (2442, 8872), (3256, 6654), (3327, 6512), (4436, 4884)]