21488700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{863}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 62995968

約数和(自身を除く): 41507268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 83, 100, 150, 166, 249, 300, 332, 415, 498, 830, 863, 996, 1245, 1660, 1726, 2075, 2490, 2589, 3452, 4150, 4315, 4980, 5178, 6225, 8300, 8630, 10356, 12450, 12945, 17260, 21575, 24900, 25890, 43150, 51780, 64725, 71629, 86300, 129450, 143258, 214887, 258900, 286516, 358145, 429774, 716290, 859548, 1074435, 1432580, 1790725, 2148870, 3581450, 4297740, 5372175, 7162900, 10744350, 21488700]

約数ペア:

[(1, 21488700), (2, 10744350), (3, 7162900), (4, 5372175), (5, 4297740), (6, 3581450), (10, 2148870), (12, 1790725), (15, 1432580), (20, 1074435), (25, 859548), (30, 716290), (50, 429774), (60, 358145), (75, 286516), (83, 258900), (100, 214887), (150, 143258), (166, 129450), (249, 86300), (300, 71629), (332, 64725), (415, 51780), (498, 43150), (830, 25890), (863, 24900), (996, 21575), (1245, 17260), (1660, 12945), (1726, 12450), (2075, 10356), (2490, 8630), (2589, 8300), (3452, 6225), (4150, 5178), (4315, 4980)]