21907608

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 36412392

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 107, 114, 152, 214, 228, 321, 428, 449, 456, 642, 856, 898, 1284, 1347, 1796, 2033, 2568, 2694, 3592, 4066, 5388, 6099, 8132, 8531, 10776, 12198, 16264, 17062, 24396, 25593, 34124, 48043, 48792, 51186, 68248, 96086, 102372, 144129, 192172, 204744, 288258, 384344, 576516, 912817, 1153032, 1825634, 2738451, 3651268, 5476902, 7302536, 10953804, 21907608]

約数ペア:

[(1, 21907608), (2, 10953804), (3, 7302536), (4, 5476902), (6, 3651268), (8, 2738451), (12, 1825634), (19, 1153032), (24, 912817), (38, 576516), (57, 384344), (76, 288258), (107, 204744), (114, 192172), (152, 144129), (214, 102372), (228, 96086), (321, 68248), (428, 51186), (449, 48792), (456, 48043), (642, 34124), (856, 25593), (898, 24396), (1284, 17062), (1347, 16264), (1796, 12198), (2033, 10776), (2568, 8531), (2694, 8132), (3592, 6099), (4066, 5388)]