21617030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 41640480

約数和(自身を除く): 20023450

約数列:

[1, 2, 5, 10, 17, 34, 85, 101, 170, 202, 505, 1010, 1259, 1717, 2518, 3434, 6295, 8585, 12590, 17170, 21403, 42806, 107015, 127159, 214030, 254318, 635795, 1271590, 2161703, 4323406, 10808515, 21617030]

約数ペア:

[(1, 21617030), (2, 10808515), (5, 4323406), (10, 2161703), (17, 1271590), (34, 635795), (85, 254318), (101, 214030), (170, 127159), (202, 107015), (505, 42806), (1010, 21403), (1259, 17170), (1717, 12590), (2518, 8585), (3434, 6295)]