21648600

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 78864000

約数和(自身を除く): 57215400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 50, 54, 57, 60, 72, 75, 76, 90, 95, 100, 108, 114, 120, 135, 150, 152, 171, 180, 190, 200, 211, 216, 225, 228, 270, 285, 300, 342, 360, 380, 422, 450, 456, 475, 513, 540, 570, 600, 633, 675, 684, 760, 844, 855, 900, 950, 1026, 1055, 1080, 1140, 1266, 1350, 1368, 1425, 1688, 1710, 1800, 1899, 1900, 2052, 2110, 2280, 2532, 2565, 2700, 2850, 3165, 3420, 3798, 3800, 4009, 4104, 4220, 4275, 5064, 5130, 5275, 5400, 5697, 5700, 6330, 6840, 7596, 8018, 8440, 8550, 9495, 10260, 10550, 11394, 11400, 12027, 12660, 12825, 15192, 15825, 16036, 17100, 18990, 20045, 20520, 21100, 22788, 24054, 25320, 25650, 28485, 31650, 32072, 34200, 36081, 37980, 40090, 42200, 45576, 47475, 48108, 51300, 56970, 60135, 63300, 72162, 75960, 80180, 94950, 96216, 100225, 102600, 108243, 113940, 120270, 126600, 142425, 144324, 160360, 180405, 189900, 200450, 216486, 227880, 240540, 284850, 288648, 300675, 360810, 379800, 400900, 432972, 481080, 541215, 569700, 601350, 721620, 801800, 865944, 902025, 1082430, 1139400, 1202700, 1443240, 1804050, 2164860, 2405400, 2706075, 3608100, 4329720, 5412150, 7216200, 10824300, 21648600]

約数ペア:

[(1, 21648600), (2, 10824300), (3, 7216200), (4, 5412150), (5, 4329720), (6, 3608100), (8, 2706075), (9, 2405400), (10, 2164860), (12, 1804050), (15, 1443240), (18, 1202700), (19, 1139400), (20, 1082430), (24, 902025), (25, 865944), (27, 801800), (30, 721620), (36, 601350), (38, 569700), (40, 541215), (45, 481080), (50, 432972), (54, 400900), (57, 379800), (60, 360810), (72, 300675), (75, 288648), (76, 284850), (90, 240540), (95, 227880), (100, 216486), (108, 200450), (114, 189900), (120, 180405), (135, 160360), (150, 144324), (152, 142425), (171, 126600), (180, 120270), (190, 113940), (200, 108243), (211, 102600), (216, 100225), (225, 96216), (228, 94950), (270, 80180), (285, 75960), (300, 72162), (342, 63300), (360, 60135), (380, 56970), (422, 51300), (450, 48108), (456, 47475), (475, 45576), (513, 42200), (540, 40090), (570, 37980), (600, 36081), (633, 34200), (675, 32072), (684, 31650), (760, 28485), (844, 25650), (855, 25320), (900, 24054), (950, 22788), (1026, 21100), (1055, 20520), (1080, 20045), (1140, 18990), (1266, 17100), (1350, 16036), (1368, 15825), (1425, 15192), (1688, 12825), (1710, 12660), (1800, 12027), (1899, 11400), (1900, 11394), (2052, 10550), (2110, 10260), (2280, 9495), (2532, 8550), (2565, 8440), (2700, 8018), (2850, 7596), (3165, 6840), (3420, 6330), (3798, 5700), (3800, 5697), (4009, 5400), (4104, 5275), (4220, 5130), (4275, 5064)]