21972840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10771}}^1$

素因数の和:10802

約数の個数: 64

約数和(自身を含む): 69802560

約数和(自身を除く): 47829720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10771, 21542, 32313, 43084, 53855, 64626, 86168, 107710, 129252, 161565, 183107, 215420, 258504, 323130, 366214, 430840, 549321, 646260, 732428, 915535, 1098642, 1292520, 1464856, 1831070, 2197284, 2746605, 3662140, 4394568, 5493210, 7324280, 10986420, 21972840]

約数ペア:

[(1, 21972840), (2, 10986420), (3, 7324280), (4, 5493210), (5, 4394568), (6, 3662140), (8, 2746605), (10, 2197284), (12, 1831070), (15, 1464856), (17, 1292520), (20, 1098642), (24, 915535), (30, 732428), (34, 646260), (40, 549321), (51, 430840), (60, 366214), (68, 323130), (85, 258504), (102, 215420), (120, 183107), (136, 161565), (170, 129252), (204, 107710), (255, 86168), (340, 64626), (408, 53855), (510, 43084), (680, 32313), (1020, 21542), (2040, 10771)]