21358698

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 27163542

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 103, 107, 114, 206, 214, 309, 321, 323, 618, 642, 646, 969, 1751, 1819, 1938, 1957, 2033, 3502, 3638, 3914, 4066, 5253, 5457, 5871, 6099, 10506, 10914, 11021, 11742, 12198, 22042, 33063, 33269, 34561, 66126, 66538, 69122, 99807, 103683, 187357, 199614, 207366, 209399, 374714, 418798, 562071, 628197, 1124142, 1256394, 3559783, 7119566, 10679349, 21358698]

約数ペア:

[(1, 21358698), (2, 10679349), (3, 7119566), (6, 3559783), (17, 1256394), (19, 1124142), (34, 628197), (38, 562071), (51, 418798), (57, 374714), (102, 209399), (103, 207366), (107, 199614), (114, 187357), (206, 103683), (214, 99807), (309, 69122), (321, 66538), (323, 66126), (618, 34561), (642, 33269), (646, 33063), (969, 22042), (1751, 12198), (1819, 11742), (1938, 11021), (1957, 10914), (2033, 10506), (3502, 6099), (3638, 5871), (3914, 5457), (4066, 5253)]