21203724

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 30276852

約数列:

[1, 2, 3, 4, 6, 12, 41, 71, 82, 123, 142, 164, 213, 246, 284, 426, 492, 607, 852, 1214, 1821, 2428, 2911, 3642, 5822, 7284, 8733, 11644, 17466, 24887, 34932, 43097, 49774, 74661, 86194, 99548, 129291, 149322, 172388, 258582, 298644, 517164, 1766977, 3533954, 5300931, 7067908, 10601862, 21203724]

約数ペア:

[(1, 21203724), (2, 10601862), (3, 7067908), (4, 5300931), (6, 3533954), (12, 1766977), (41, 517164), (71, 298644), (82, 258582), (123, 172388), (142, 149322), (164, 129291), (213, 99548), (246, 86194), (284, 74661), (426, 49774), (492, 43097), (607, 34932), (852, 24887), (1214, 17466), (1821, 11644), (2428, 8733), (2911, 7284), (3642, 5822)]