21752010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:717

約数の個数: 128

約数和(自身を含む): 70295040

約数和(自身を除く): 48543030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 85, 90, 102, 105, 119, 126, 135, 153, 170, 189, 210, 238, 255, 270, 306, 315, 357, 378, 459, 510, 595, 630, 677, 714, 765, 918, 945, 1071, 1190, 1354, 1530, 1785, 1890, 2031, 2142, 2295, 3213, 3385, 3570, 4062, 4590, 4739, 5355, 6093, 6426, 6770, 9478, 10155, 10710, 11509, 12186, 14217, 16065, 18279, 20310, 23018, 23695, 28434, 30465, 32130, 34527, 36558, 42651, 47390, 57545, 60930, 69054, 71085, 80563, 85302, 91395, 103581, 115090, 127953, 142170, 161126, 172635, 182790, 207162, 213255, 241689, 255906, 310743, 345270, 402815, 426510, 483378, 517905, 621486, 639765, 725067, 805630, 1035810, 1208445, 1279530, 1450134, 1553715, 2175201, 2416890, 3107430, 3625335, 4350402, 7250670, 10876005, 21752010]

約数ペア:

[(1, 21752010), (2, 10876005), (3, 7250670), (5, 4350402), (6, 3625335), (7, 3107430), (9, 2416890), (10, 2175201), (14, 1553715), (15, 1450134), (17, 1279530), (18, 1208445), (21, 1035810), (27, 805630), (30, 725067), (34, 639765), (35, 621486), (42, 517905), (45, 483378), (51, 426510), (54, 402815), (63, 345270), (70, 310743), (85, 255906), (90, 241689), (102, 213255), (105, 207162), (119, 182790), (126, 172635), (135, 161126), (153, 142170), (170, 127953), (189, 115090), (210, 103581), (238, 91395), (255, 85302), (270, 80563), (306, 71085), (315, 69054), (357, 60930), (378, 57545), (459, 47390), (510, 42651), (595, 36558), (630, 34527), (677, 32130), (714, 30465), (765, 28434), (918, 23695), (945, 23018), (1071, 20310), (1190, 18279), (1354, 16065), (1530, 14217), (1785, 12186), (1890, 11509), (2031, 10710), (2142, 10155), (2295, 9478), (3213, 6770), (3385, 6426), (3570, 6093), (4062, 5355), (4590, 4739)]