21447240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6163}}^1$

素因数の和:6206

約数の個数: 64

約数和(自身を含む): 66571200

約数和(自身を除く): 45123960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 6163, 12326, 18489, 24652, 30815, 36978, 49304, 61630, 73956, 92445, 123260, 147912, 178727, 184890, 246520, 357454, 369780, 536181, 714908, 739560, 893635, 1072362, 1429816, 1787270, 2144724, 2680905, 3574540, 4289448, 5361810, 7149080, 10723620, 21447240]

約数ペア:

[(1, 21447240), (2, 10723620), (3, 7149080), (4, 5361810), (5, 4289448), (6, 3574540), (8, 2680905), (10, 2144724), (12, 1787270), (15, 1429816), (20, 1072362), (24, 893635), (29, 739560), (30, 714908), (40, 536181), (58, 369780), (60, 357454), (87, 246520), (116, 184890), (120, 178727), (145, 147912), (174, 123260), (232, 92445), (290, 73956), (348, 61630), (435, 49304), (580, 36978), (696, 30815), (870, 24652), (1160, 18489), (1740, 12326), (3480, 6163)]