21394600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4651}}^1$

素因数の和:4690

約数の個数: 48

約数和(自身を含む): 51916320

約数和(自身を除く): 30521720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 4651, 9302, 18604, 23255, 37208, 46510, 93020, 106973, 116275, 186040, 213946, 232550, 427892, 465100, 534865, 855784, 930200, 1069730, 2139460, 2674325, 4278920, 5348650, 10697300, 21394600]

約数ペア:

[(1, 21394600), (2, 10697300), (4, 5348650), (5, 4278920), (8, 2674325), (10, 2139460), (20, 1069730), (23, 930200), (25, 855784), (40, 534865), (46, 465100), (50, 427892), (92, 232550), (100, 213946), (115, 186040), (184, 116275), (200, 106973), (230, 93020), (460, 46510), (575, 37208), (920, 23255), (1150, 18604), (2300, 9302), (4600, 4651)]