21167890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3037}}^1$

素因数の和:3102

約数の個数: 32

約数和(自身を含む): 41341104

約数和(自身を除く): 20173214

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3037, 3485, 6074, 6970, 15185, 30370, 51629, 103258, 124517, 249034, 258145, 516290, 622585, 1245170, 2116789, 4233578, 10583945, 21167890]

約数ペア:

[(1, 21167890), (2, 10583945), (5, 4233578), (10, 2116789), (17, 1245170), (34, 622585), (41, 516290), (82, 258145), (85, 249034), (170, 124517), (205, 103258), (410, 51629), (697, 30370), (1394, 15185), (3037, 6970), (3485, 6074)]