21971412

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{3989}}^1$

素因数の和:4022

約数の個数: 60

約数和(自身を含む): 60831540

約数和(自身を除く): 38860128

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 306, 324, 459, 612, 918, 1377, 1836, 2754, 3989, 5508, 7978, 11967, 15956, 23934, 35901, 47868, 67813, 71802, 107703, 135626, 143604, 203439, 215406, 271252, 323109, 406878, 430812, 610317, 646218, 813756, 1220634, 1292436, 1830951, 2441268, 3661902, 5492853, 7323804, 10985706, 21971412]

約数ペア:

[(1, 21971412), (2, 10985706), (3, 7323804), (4, 5492853), (6, 3661902), (9, 2441268), (12, 1830951), (17, 1292436), (18, 1220634), (27, 813756), (34, 646218), (36, 610317), (51, 430812), (54, 406878), (68, 323109), (81, 271252), (102, 215406), (108, 203439), (153, 143604), (162, 135626), (204, 107703), (306, 71802), (324, 67813), (459, 47868), (612, 35901), (918, 23934), (1377, 15956), (1836, 11967), (2754, 7978), (3989, 5508)]