21432648

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 57309120

約数和(自身を除く): 35876472

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 131, 136, 204, 262, 393, 401, 408, 524, 786, 802, 1048, 1203, 1572, 1604, 2227, 2406, 3144, 3208, 4454, 4812, 6681, 6817, 8908, 9624, 13362, 13634, 17816, 20451, 26724, 27268, 40902, 52531, 53448, 54536, 81804, 105062, 157593, 163608, 210124, 315186, 420248, 630372, 893027, 1260744, 1786054, 2679081, 3572108, 5358162, 7144216, 10716324, 21432648]

約数ペア:

[(1, 21432648), (2, 10716324), (3, 7144216), (4, 5358162), (6, 3572108), (8, 2679081), (12, 1786054), (17, 1260744), (24, 893027), (34, 630372), (51, 420248), (68, 315186), (102, 210124), (131, 163608), (136, 157593), (204, 105062), (262, 81804), (393, 54536), (401, 53448), (408, 52531), (524, 40902), (786, 27268), (802, 26724), (1048, 20451), (1203, 17816), (1572, 13634), (1604, 13362), (2227, 9624), (2406, 8908), (3144, 6817), (3208, 6681), (4454, 4812)]