21452100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3109}}^1$

素因数の和:3149

約数の個数: 72

約数和(自身を含む): 64787520

約数和(自身を除く): 43335420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 345, 460, 575, 690, 1150, 1380, 1725, 2300, 3109, 3450, 6218, 6900, 9327, 12436, 15545, 18654, 31090, 37308, 46635, 62180, 71507, 77725, 93270, 143014, 155450, 186540, 214521, 233175, 286028, 310900, 357535, 429042, 466350, 715070, 858084, 932700, 1072605, 1430140, 1787675, 2145210, 3575350, 4290420, 5363025, 7150700, 10726050, 21452100]

約数ペア:

[(1, 21452100), (2, 10726050), (3, 7150700), (4, 5363025), (5, 4290420), (6, 3575350), (10, 2145210), (12, 1787675), (15, 1430140), (20, 1072605), (23, 932700), (25, 858084), (30, 715070), (46, 466350), (50, 429042), (60, 357535), (69, 310900), (75, 286028), (92, 233175), (100, 214521), (115, 186540), (138, 155450), (150, 143014), (230, 93270), (276, 77725), (300, 71507), (345, 62180), (460, 46635), (575, 37308), (690, 31090), (1150, 18654), (1380, 15545), (1725, 12436), (2300, 9327), (3109, 6900), (3450, 6218)]