21190398

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2503}}^1$

素因数の和:2608

約数の個数: 32

約数和(自身を含む): 45432576

約数和(自身を除く): 24242178

約数列:

[1, 2, 3, 6, 17, 34, 51, 83, 102, 166, 249, 498, 1411, 2503, 2822, 4233, 5006, 7509, 8466, 15018, 42551, 85102, 127653, 207749, 255306, 415498, 623247, 1246494, 3531733, 7063466, 10595199, 21190398]

約数ペア:

[(1, 21190398), (2, 10595199), (3, 7063466), (6, 3531733), (17, 1246494), (34, 623247), (51, 415498), (83, 255306), (102, 207749), (166, 127653), (249, 85102), (498, 42551), (1411, 15018), (2503, 8466), (2822, 7509), (4233, 5006)]