21490210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18059}}^1$

素因数の和:18090

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 25321310

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 18059, 36118, 90295, 126413, 180590, 252826, 307003, 614006, 632065, 1264130, 1535015, 2149021, 3070030, 4298042, 10745105, 21490210]

約数ペア:

[(1, 21490210), (2, 10745105), (5, 4298042), (7, 3070030), (10, 2149021), (14, 1535015), (17, 1264130), (34, 632065), (35, 614006), (70, 307003), (85, 252826), (119, 180590), (170, 126413), (238, 90295), (595, 36118), (1190, 18059)]