21875700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:982

約数の個数: 144

約数和(自身を含む): 78994944

約数和(自身を除く): 57119244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 825, 924, 947, 1050, 1100, 1155, 1540, 1650, 1894, 1925, 2100, 2310, 2841, 3300, 3788, 3850, 4620, 4735, 5682, 5775, 6629, 7700, 9470, 10417, 11364, 11550, 13258, 14205, 18940, 19887, 20834, 23100, 23675, 26516, 28410, 31251, 33145, 39774, 41668, 47350, 52085, 56820, 62502, 66290, 71025, 72919, 79548, 94700, 99435, 104170, 125004, 132580, 142050, 145838, 156255, 165725, 198870, 208340, 218757, 260425, 284100, 291676, 312510, 331450, 364595, 397740, 437514, 497175, 520850, 625020, 662900, 729190, 781275, 875028, 994350, 1041700, 1093785, 1458380, 1562550, 1822975, 1988700, 2187570, 3125100, 3645950, 4375140, 5468925, 7291900, 10937850, 21875700]

約数ペア:

[(1, 21875700), (2, 10937850), (3, 7291900), (4, 5468925), (5, 4375140), (6, 3645950), (7, 3125100), (10, 2187570), (11, 1988700), (12, 1822975), (14, 1562550), (15, 1458380), (20, 1093785), (21, 1041700), (22, 994350), (25, 875028), (28, 781275), (30, 729190), (33, 662900), (35, 625020), (42, 520850), (44, 497175), (50, 437514), (55, 397740), (60, 364595), (66, 331450), (70, 312510), (75, 291676), (77, 284100), (84, 260425), (100, 218757), (105, 208340), (110, 198870), (132, 165725), (140, 156255), (150, 145838), (154, 142050), (165, 132580), (175, 125004), (210, 104170), (220, 99435), (231, 94700), (275, 79548), (300, 72919), (308, 71025), (330, 66290), (350, 62502), (385, 56820), (420, 52085), (462, 47350), (525, 41668), (550, 39774), (660, 33145), (700, 31251), (770, 28410), (825, 26516), (924, 23675), (947, 23100), (1050, 20834), (1100, 19887), (1155, 18940), (1540, 14205), (1650, 13258), (1894, 11550), (1925, 11364), (2100, 10417), (2310, 9470), (2841, 7700), (3300, 6629), (3788, 5775), (3850, 5682), (4620, 4735)]