21484320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:355

約数の個数: 192

約数和(自身を含む): 79761024

約数和(自身を除く): 58276704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 313, 330, 352, 390, 416, 429, 440, 480, 520, 528, 572, 624, 626, 660, 715, 780, 858, 880, 939, 1040, 1056, 1144, 1248, 1252, 1320, 1430, 1560, 1565, 1716, 1760, 1878, 2080, 2145, 2288, 2504, 2640, 2860, 3120, 3130, 3432, 3443, 3756, 4069, 4290, 4576, 4695, 5008, 5280, 5720, 6240, 6260, 6864, 6886, 7512, 8138, 8580, 9390, 10016, 10329, 11440, 12207, 12520, 13728, 13772, 15024, 16276, 17160, 17215, 18780, 20345, 20658, 22880, 24414, 25040, 27544, 30048, 32552, 34320, 34430, 37560, 40690, 41316, 44759, 48828, 50080, 51645, 55088, 61035, 65104, 68640, 68860, 75120, 81380, 82632, 89518, 97656, 103290, 110176, 122070, 130208, 134277, 137720, 150240, 162760, 165264, 179036, 195312, 206580, 223795, 244140, 268554, 275440, 325520, 330528, 358072, 390624, 413160, 447590, 488280, 537108, 550880, 651040, 671385, 716144, 826320, 895180, 976560, 1074216, 1342770, 1432288, 1652640, 1790360, 1953120, 2148432, 2685540, 3580720, 4296864, 5371080, 7161440, 10742160, 21484320]

約数ペア:

[(1, 21484320), (2, 10742160), (3, 7161440), (4, 5371080), (5, 4296864), (6, 3580720), (8, 2685540), (10, 2148432), (11, 1953120), (12, 1790360), (13, 1652640), (15, 1432288), (16, 1342770), (20, 1074216), (22, 976560), (24, 895180), (26, 826320), (30, 716144), (32, 671385), (33, 651040), (39, 550880), (40, 537108), (44, 488280), (48, 447590), (52, 413160), (55, 390624), (60, 358072), (65, 330528), (66, 325520), (78, 275440), (80, 268554), (88, 244140), (96, 223795), (104, 206580), (110, 195312), (120, 179036), (130, 165264), (132, 162760), (143, 150240), (156, 137720), (160, 134277), (165, 130208), (176, 122070), (195, 110176), (208, 103290), (220, 97656), (240, 89518), (260, 82632), (264, 81380), (286, 75120), (312, 68860), (313, 68640), (330, 65104), (352, 61035), (390, 55088), (416, 51645), (429, 50080), (440, 48828), (480, 44759), (520, 41316), (528, 40690), (572, 37560), (624, 34430), (626, 34320), (660, 32552), (715, 30048), (780, 27544), (858, 25040), (880, 24414), (939, 22880), (1040, 20658), (1056, 20345), (1144, 18780), (1248, 17215), (1252, 17160), (1320, 16276), (1430, 15024), (1560, 13772), (1565, 13728), (1716, 12520), (1760, 12207), (1878, 11440), (2080, 10329), (2145, 10016), (2288, 9390), (2504, 8580), (2640, 8138), (2860, 7512), (3120, 6886), (3130, 6864), (3432, 6260), (3443, 6240), (3756, 5720), (4069, 5280), (4290, 5008), (4576, 4695)]