21915300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 71870400

約数和(自身を除く): 49955100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 29, 30, 33, 44, 50, 55, 58, 60, 66, 75, 87, 100, 110, 116, 132, 145, 150, 165, 174, 220, 229, 275, 290, 300, 319, 330, 348, 435, 458, 550, 580, 638, 660, 687, 725, 825, 870, 916, 957, 1100, 1145, 1276, 1374, 1450, 1595, 1650, 1740, 1914, 2175, 2290, 2519, 2748, 2900, 3190, 3300, 3435, 3828, 4350, 4580, 4785, 5038, 5725, 6380, 6641, 6870, 7557, 7975, 8700, 9570, 10076, 11450, 12595, 13282, 13740, 15114, 15950, 17175, 19140, 19923, 22900, 23925, 25190, 26564, 30228, 31900, 33205, 34350, 37785, 39846, 47850, 50380, 62975, 66410, 68700, 73051, 75570, 79692, 95700, 99615, 125950, 132820, 146102, 151140, 166025, 188925, 199230, 219153, 251900, 292204, 332050, 365255, 377850, 398460, 438306, 498075, 664100, 730510, 755700, 876612, 996150, 1095765, 1461020, 1826275, 1992300, 2191530, 3652550, 4383060, 5478825, 7305100, 10957650, 21915300]

約数ペア:

[(1, 21915300), (2, 10957650), (3, 7305100), (4, 5478825), (5, 4383060), (6, 3652550), (10, 2191530), (11, 1992300), (12, 1826275), (15, 1461020), (20, 1095765), (22, 996150), (25, 876612), (29, 755700), (30, 730510), (33, 664100), (44, 498075), (50, 438306), (55, 398460), (58, 377850), (60, 365255), (66, 332050), (75, 292204), (87, 251900), (100, 219153), (110, 199230), (116, 188925), (132, 166025), (145, 151140), (150, 146102), (165, 132820), (174, 125950), (220, 99615), (229, 95700), (275, 79692), (290, 75570), (300, 73051), (319, 68700), (330, 66410), (348, 62975), (435, 50380), (458, 47850), (550, 39846), (580, 37785), (638, 34350), (660, 33205), (687, 31900), (725, 30228), (825, 26564), (870, 25190), (916, 23925), (957, 22900), (1100, 19923), (1145, 19140), (1276, 17175), (1374, 15950), (1450, 15114), (1595, 13740), (1650, 13282), (1740, 12595), (1914, 11450), (2175, 10076), (2290, 9570), (2519, 8700), (2748, 7975), (2900, 7557), (3190, 6870), (3300, 6641), (3435, 6380), (3828, 5725), (4350, 5038), (4580, 4785)]