21620432

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:723

約数の個数: 40

約数和(自身を含む): 43821600

約数和(自身を除く): 22201168

約数列:

[1, 2, 4, 8, 16, 37, 59, 74, 118, 148, 236, 296, 472, 592, 619, 944, 1238, 2183, 2476, 4366, 4952, 8732, 9904, 17464, 22903, 34928, 36521, 45806, 73042, 91612, 146084, 183224, 292168, 366448, 584336, 1351277, 2702554, 5405108, 10810216, 21620432]

約数ペア:

[(1, 21620432), (2, 10810216), (4, 5405108), (8, 2702554), (16, 1351277), (37, 584336), (59, 366448), (74, 292168), (118, 183224), (148, 146084), (236, 91612), (296, 73042), (472, 45806), (592, 36521), (619, 34928), (944, 22903), (1238, 17464), (2183, 9904), (2476, 8732), (4366, 4952)]