21063240

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 77837760

約数和(自身を除く): 56774520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 197, 198, 216, 220, 243, 264, 270, 297, 324, 330, 360, 394, 396, 405, 440, 486, 495, 540, 591, 594, 648, 660, 788, 792, 810, 891, 972, 985, 990, 1080, 1182, 1188, 1215, 1320, 1485, 1576, 1620, 1773, 1782, 1944, 1970, 1980, 2167, 2364, 2376, 2430, 2673, 2955, 2970, 3240, 3546, 3564, 3940, 3960, 4334, 4455, 4728, 4860, 5319, 5346, 5910, 5940, 6501, 7092, 7128, 7880, 8668, 8865, 8910, 9720, 10638, 10692, 10835, 11820, 11880, 13002, 13365, 14184, 15957, 17336, 17730, 17820, 19503, 21276, 21384, 21670, 23640, 26004, 26595, 26730, 31914, 32505, 35460, 35640, 39006, 42552, 43340, 47871, 52008, 53190, 53460, 58509, 63828, 65010, 70920, 78012, 79785, 86680, 95742, 97515, 106380, 106920, 117018, 127656, 130020, 156024, 159570, 175527, 191484, 195030, 212760, 234036, 239355, 260040, 292545, 319140, 351054, 382968, 390060, 468072, 478710, 526581, 585090, 638280, 702108, 780120, 877635, 957420, 1053162, 1170180, 1404216, 1755270, 1914840, 2106324, 2340360, 2632905, 3510540, 4212648, 5265810, 7021080, 10531620, 21063240]

約数ペア:

[(1, 21063240), (2, 10531620), (3, 7021080), (4, 5265810), (5, 4212648), (6, 3510540), (8, 2632905), (9, 2340360), (10, 2106324), (11, 1914840), (12, 1755270), (15, 1404216), (18, 1170180), (20, 1053162), (22, 957420), (24, 877635), (27, 780120), (30, 702108), (33, 638280), (36, 585090), (40, 526581), (44, 478710), (45, 468072), (54, 390060), (55, 382968), (60, 351054), (66, 319140), (72, 292545), (81, 260040), (88, 239355), (90, 234036), (99, 212760), (108, 195030), (110, 191484), (120, 175527), (132, 159570), (135, 156024), (162, 130020), (165, 127656), (180, 117018), (197, 106920), (198, 106380), (216, 97515), (220, 95742), (243, 86680), (264, 79785), (270, 78012), (297, 70920), (324, 65010), (330, 63828), (360, 58509), (394, 53460), (396, 53190), (405, 52008), (440, 47871), (486, 43340), (495, 42552), (540, 39006), (591, 35640), (594, 35460), (648, 32505), (660, 31914), (788, 26730), (792, 26595), (810, 26004), (891, 23640), (972, 21670), (985, 21384), (990, 21276), (1080, 19503), (1182, 17820), (1188, 17730), (1215, 17336), (1320, 15957), (1485, 14184), (1576, 13365), (1620, 13002), (1773, 11880), (1782, 11820), (1944, 10835), (1970, 10692), (1980, 10638), (2167, 9720), (2364, 8910), (2376, 8865), (2430, 8668), (2673, 7880), (2955, 7128), (2970, 7092), (3240, 6501), (3546, 5940), (3564, 5910), (3940, 5346), (3960, 5319), (4334, 4860), (4455, 4728)]