21288390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11633}}^1$

素因数の和:11704

約数の個数: 32

約数和(自身を含む): 51934176

約数和(自身を除く): 30645786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11633, 23266, 34899, 58165, 69798, 116330, 174495, 348990, 709613, 1419226, 2128839, 3548065, 4257678, 7096130, 10644195, 21288390]

約数ペア:

[(1, 21288390), (2, 10644195), (3, 7096130), (5, 4257678), (6, 3548065), (10, 2128839), (15, 1419226), (30, 709613), (61, 348990), (122, 174495), (183, 116330), (305, 69798), (366, 58165), (610, 34899), (915, 23266), (1830, 11633)]