21418014723

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1\times {\mathrm{3923}}^1$

素因数の和:4364

約数の個数: 64

約数和(自身を含む): 35503598592

約数和(自身を除く): 14085583869

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 373, 697, 861, 1119, 2091, 2611, 3923, 4879, 6341, 7833, 11769, 14637, 15293, 19023, 27461, 44387, 45879, 66691, 82383, 107051, 133161, 160843, 200073, 259981, 321153, 466837, 482529, 779943, 1125901, 1400511, 1463279, 1819867, 2734331, 3377703, 4389837, 5459601, 8202993, 10242953, 19140317, 24875743, 30728859, 57420951, 59994439, 74627229, 174130201, 179983317, 419961073, 522390603, 1019905463, 1259883219, 3059716389, 7139338241, 21418014723]

約数ペア:

[(1, 21418014723), (3, 7139338241), (7, 3059716389), (17, 1259883219), (21, 1019905463), (41, 522390603), (51, 419961073), (119, 179983317), (123, 174130201), (287, 74627229), (357, 59994439), (373, 57420951), (697, 30728859), (861, 24875743), (1119, 19140317), (2091, 10242953), (2611, 8202993), (3923, 5459601), (4879, 4389837), (6341, 3377703), (7833, 2734331), (11769, 1819867), (14637, 1463279), (15293, 1400511), (19023, 1125901), (27461, 779943), (44387, 482529), (45879, 466837), (66691, 321153), (82383, 259981), (107051, 200073), (133161, 160843)]