21601890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26669}}^1$

素因数の和:26688

約数の個数: 40

約数和(自身を含む): 58087260

約数和(自身を除く): 36485370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26669, 53338, 80007, 133345, 160014, 240021, 266690, 400035, 480042, 720063, 800070, 1200105, 1440126, 2160189, 2400210, 3600315, 4320378, 7200630, 10800945, 21601890]

約数ペア:

[(1, 21601890), (2, 10800945), (3, 7200630), (5, 4320378), (6, 3600315), (9, 2400210), (10, 2160189), (15, 1440126), (18, 1200105), (27, 800070), (30, 720063), (45, 480042), (54, 400035), (81, 266690), (90, 240021), (135, 160014), (162, 133345), (270, 80007), (405, 53338), (810, 26669)]