21306300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 66662400

約数和(自身を除く): 45356100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 31, 50, 58, 60, 62, 75, 79, 87, 93, 100, 116, 124, 145, 150, 155, 158, 174, 186, 237, 290, 300, 310, 316, 348, 372, 395, 435, 465, 474, 580, 620, 725, 775, 790, 870, 899, 930, 948, 1185, 1450, 1550, 1580, 1740, 1798, 1860, 1975, 2175, 2291, 2325, 2370, 2449, 2697, 2900, 3100, 3596, 3950, 4350, 4495, 4582, 4650, 4740, 4898, 5394, 5925, 6873, 7347, 7900, 8700, 8990, 9164, 9300, 9796, 10788, 11455, 11850, 12245, 13485, 13746, 14694, 17980, 22475, 22910, 23700, 24490, 26970, 27492, 29388, 34365, 36735, 44950, 45820, 48980, 53940, 57275, 61225, 67425, 68730, 71021, 73470, 89900, 114550, 122450, 134850, 137460, 142042, 146940, 171825, 183675, 213063, 229100, 244900, 269700, 284084, 343650, 355105, 367350, 426126, 687300, 710210, 734700, 852252, 1065315, 1420420, 1775525, 2130630, 3551050, 4261260, 5326575, 7102100, 10653150, 21306300]

約数ペア:

[(1, 21306300), (2, 10653150), (3, 7102100), (4, 5326575), (5, 4261260), (6, 3551050), (10, 2130630), (12, 1775525), (15, 1420420), (20, 1065315), (25, 852252), (29, 734700), (30, 710210), (31, 687300), (50, 426126), (58, 367350), (60, 355105), (62, 343650), (75, 284084), (79, 269700), (87, 244900), (93, 229100), (100, 213063), (116, 183675), (124, 171825), (145, 146940), (150, 142042), (155, 137460), (158, 134850), (174, 122450), (186, 114550), (237, 89900), (290, 73470), (300, 71021), (310, 68730), (316, 67425), (348, 61225), (372, 57275), (395, 53940), (435, 48980), (465, 45820), (474, 44950), (580, 36735), (620, 34365), (725, 29388), (775, 27492), (790, 26970), (870, 24490), (899, 23700), (930, 22910), (948, 22475), (1185, 17980), (1450, 14694), (1550, 13746), (1580, 13485), (1740, 12245), (1798, 11850), (1860, 11455), (1975, 10788), (2175, 9796), (2291, 9300), (2325, 9164), (2370, 8990), (2449, 8700), (2697, 7900), (2900, 7347), (3100, 6873), (3596, 5925), (3950, 5394), (4350, 4898), (4495, 4740), (4582, 4650)]