21733990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{739}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 41718240

約数和(自身を除く): 19984250

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 739, 865, 1478, 1730, 2941, 3695, 5882, 7390, 12563, 14705, 25126, 29410, 62815, 125630, 127847, 255694, 639235, 1278470, 2173399, 4346798, 10866995, 21733990]

約数ペア:

[(1, 21733990), (2, 10866995), (5, 4346798), (10, 2173399), (17, 1278470), (34, 639235), (85, 255694), (170, 127847), (173, 125630), (346, 62815), (739, 29410), (865, 25126), (1478, 14705), (1730, 12563), (2941, 7390), (3695, 5882)]