21225160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48239}}^1$

素因数の和:48261

約数の個数: 32

約数和(自身を含む): 52099200

約数和(自身を除く): 30874040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48239, 96478, 192956, 241195, 385912, 482390, 530629, 964780, 1061258, 1929560, 2122516, 2653145, 4245032, 5306290, 10612580, 21225160]

約数ペア:

[(1, 21225160), (2, 10612580), (4, 5306290), (5, 4245032), (8, 2653145), (10, 2122516), (11, 1929560), (20, 1061258), (22, 964780), (40, 530629), (44, 482390), (55, 385912), (88, 241195), (110, 192956), (220, 96478), (440, 48239)]