21227064

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 55511040

約数和(自身を除く): 34283976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 103, 124, 186, 206, 248, 277, 309, 372, 412, 554, 618, 744, 824, 831, 1108, 1236, 1662, 2216, 2472, 3193, 3324, 6386, 6648, 8587, 9579, 12772, 17174, 19158, 25544, 25761, 28531, 34348, 38316, 51522, 57062, 68696, 76632, 85593, 103044, 114124, 171186, 206088, 228248, 342372, 684744, 884461, 1768922, 2653383, 3537844, 5306766, 7075688, 10613532, 21227064]

約数ペア:

[(1, 21227064), (2, 10613532), (3, 7075688), (4, 5306766), (6, 3537844), (8, 2653383), (12, 1768922), (24, 884461), (31, 684744), (62, 342372), (93, 228248), (103, 206088), (124, 171186), (186, 114124), (206, 103044), (248, 85593), (277, 76632), (309, 68696), (372, 57062), (412, 51522), (554, 38316), (618, 34348), (744, 28531), (824, 25761), (831, 25544), (1108, 19158), (1236, 17174), (1662, 12772), (2216, 9579), (2472, 8587), (3193, 6648), (3324, 6386)]