21623205

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14301915

約数列:

[1, 3, 5, 15, 53, 59, 159, 177, 265, 295, 461, 795, 885, 1383, 2305, 3127, 6915, 9381, 15635, 24433, 27199, 46905, 73299, 81597, 122165, 135995, 366495, 407985, 1441547, 4324641, 7207735, 21623205]

約数ペア:

[(1, 21623205), (3, 7207735), (5, 4324641), (15, 1441547), (53, 407985), (59, 366495), (159, 135995), (177, 122165), (265, 81597), (295, 73299), (461, 46905), (795, 27199), (885, 24433), (1383, 15635), (2305, 9381), (3127, 6915)]