21585270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 42281610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 41, 42, 46, 69, 70, 82, 105, 109, 115, 123, 138, 161, 205, 210, 218, 230, 246, 287, 322, 327, 345, 410, 483, 545, 574, 615, 654, 690, 763, 805, 861, 943, 966, 1090, 1230, 1435, 1526, 1610, 1635, 1722, 1886, 2289, 2415, 2507, 2829, 2870, 3270, 3815, 4305, 4469, 4578, 4715, 4830, 5014, 5658, 6601, 7521, 7630, 8610, 8938, 9430, 11445, 12535, 13202, 13407, 14145, 15042, 17549, 19803, 22345, 22890, 25070, 26814, 28290, 31283, 33005, 35098, 37605, 39606, 44690, 52647, 62566, 66010, 67035, 75210, 87745, 93849, 99015, 102787, 105294, 134070, 156415, 175490, 187698, 198030, 205574, 263235, 308361, 312830, 469245, 513935, 526470, 616722, 719509, 938490, 1027870, 1439018, 1541805, 2158527, 3083610, 3597545, 4317054, 7195090, 10792635, 21585270]

約数ペア:

[(1, 21585270), (2, 10792635), (3, 7195090), (5, 4317054), (6, 3597545), (7, 3083610), (10, 2158527), (14, 1541805), (15, 1439018), (21, 1027870), (23, 938490), (30, 719509), (35, 616722), (41, 526470), (42, 513935), (46, 469245), (69, 312830), (70, 308361), (82, 263235), (105, 205574), (109, 198030), (115, 187698), (123, 175490), (138, 156415), (161, 134070), (205, 105294), (210, 102787), (218, 99015), (230, 93849), (246, 87745), (287, 75210), (322, 67035), (327, 66010), (345, 62566), (410, 52647), (483, 44690), (545, 39606), (574, 37605), (615, 35098), (654, 33005), (690, 31283), (763, 28290), (805, 26814), (861, 25070), (943, 22890), (966, 22345), (1090, 19803), (1230, 17549), (1435, 15042), (1526, 14145), (1610, 13407), (1635, 13202), (1722, 12535), (1886, 11445), (2289, 9430), (2415, 8938), (2507, 8610), (2829, 7630), (2870, 7521), (3270, 6601), (3815, 5658), (4305, 5014), (4469, 4830), (4578, 4715)]