21205360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24097}}^1$

素因数の和:24121

約数の個数: 40

約数和(自身を含む): 53786736

約数和(自身を除く): 32581376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24097, 48194, 96388, 120485, 192776, 240970, 265067, 385552, 481940, 530134, 963880, 1060268, 1325335, 1927760, 2120536, 2650670, 4241072, 5301340, 10602680, 21205360]

約数ペア:

[(1, 21205360), (2, 10602680), (4, 5301340), (5, 4241072), (8, 2650670), (10, 2120536), (11, 1927760), (16, 1325335), (20, 1060268), (22, 963880), (40, 530134), (44, 481940), (55, 385552), (80, 265067), (88, 240970), (110, 192776), (176, 120485), (220, 96388), (440, 48194), (880, 24097)]