21602175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 42616320

約数和(自身を除く): 21014145

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1725, 1789, 2415, 4025, 5367, 8945, 12075, 12523, 26835, 37569, 41147, 44725, 62615, 123441, 134175, 187845, 205735, 288029, 313075, 617205, 864087, 939225, 1028675, 1440145, 3086025, 4320435, 7200725, 21602175]

約数ペア:

[(1, 21602175), (3, 7200725), (5, 4320435), (7, 3086025), (15, 1440145), (21, 1028675), (23, 939225), (25, 864087), (35, 617205), (69, 313075), (75, 288029), (105, 205735), (115, 187845), (161, 134175), (175, 123441), (345, 62615), (483, 44725), (525, 41147), (575, 37569), (805, 26835), (1725, 12523), (1789, 12075), (2415, 8945), (4025, 5367)]