21858315

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 14732085

約数列:

[1, 3, 5, 15, 29, 87, 109, 145, 327, 435, 461, 545, 1383, 1635, 2305, 3161, 6915, 9483, 13369, 15805, 40107, 47415, 50249, 66845, 150747, 200535, 251245, 753735, 1457221, 4371663, 7286105, 21858315]

約数ペア:

[(1, 21858315), (3, 7286105), (5, 4371663), (15, 1457221), (29, 753735), (87, 251245), (109, 200535), (145, 150747), (327, 66845), (435, 50249), (461, 47415), (545, 40107), (1383, 15805), (1635, 13369), (2305, 9483), (3161, 6915)]