21894195

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 36421632

約数和(自身を除く): 14527437

約数列:

[1, 3, 5, 15, 37, 103, 111, 185, 309, 383, 515, 555, 1149, 1545, 1915, 3811, 5745, 11433, 14171, 19055, 39449, 42513, 57165, 70855, 118347, 197245, 212565, 591735, 1459613, 4378839, 7298065, 21894195]

約数ペア:

[(1, 21894195), (3, 7298065), (5, 4378839), (15, 1459613), (37, 591735), (103, 212565), (111, 197245), (185, 118347), (309, 70855), (383, 57165), (515, 42513), (555, 39449), (1149, 19055), (1545, 14171), (1915, 11433), (3811, 5745)]