21061944

素因数分解:

$2^3\times 3^4\times {\mathrm{32503}}^1$

素因数の和:32521

約数の個数: 40

約数和(自身を含む): 58994760

約数和(自身を除く): 37932816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32503, 65006, 97509, 130012, 195018, 260024, 292527, 390036, 585054, 780072, 877581, 1170108, 1755162, 2340216, 2632743, 3510324, 5265486, 7020648, 10530972, 21061944]

約数ペア:

[(1, 21061944), (2, 10530972), (3, 7020648), (4, 5265486), (6, 3510324), (8, 2632743), (9, 2340216), (12, 1755162), (18, 1170108), (24, 877581), (27, 780072), (36, 585054), (54, 390036), (72, 292527), (81, 260024), (108, 195018), (162, 130012), (216, 97509), (324, 65006), (648, 32503)]