21665711340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1322693}}^1$

素因数の和:1322728

約数の個数: 144

約数和(自身を含む): 80885383488

約数和(自身を除く): 59219672148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 1322693, 2645386, 3968079, 5290772, 6613465, 7936158, 9258851, 11904237, 13226930, 15872316, 17195009, 18517702, 19840395, 23808474, 26453860, 27776553, 34390018, 37035404, 39680790, 46294255, 47616948, 51585027, 55553106, 59521185, 68780036, 79361580, 83329659, 85975045, 92588510, 103170054, 111106212, 119042370, 120365063, 138882765, 154755081, 166659318, 171950090, 185177020, 206340108, 238084740, 240730126, 257925135, 277765530, 309510162, 333318636, 343900180, 361095189, 416648295, 481460252, 515850270, 555531060, 601825315, 619020324, 722190378, 773775405, 833296590, 1031700540, 1083285567, 1203650630, 1444380756, 1547550810, 1666593180, 1805475945, 2166571134, 2407301260, 3095101620, 3610951890, 4333142268, 5416427835, 7221903780, 10832855670, 21665711340]

約数ペア:

[(1, 21665711340), (2, 10832855670), (3, 7221903780), (4, 5416427835), (5, 4333142268), (6, 3610951890), (7, 3095101620), (9, 2407301260), (10, 2166571134), (12, 1805475945), (13, 1666593180), (14, 1547550810), (15, 1444380756), (18, 1203650630), (20, 1083285567), (21, 1031700540), (26, 833296590), (28, 773775405), (30, 722190378), (35, 619020324), (36, 601825315), (39, 555531060), (42, 515850270), (45, 481460252), (52, 416648295), (60, 361095189), (63, 343900180), (65, 333318636), (70, 309510162), (78, 277765530), (84, 257925135), (90, 240730126), (91, 238084740), (105, 206340108), (117, 185177020), (126, 171950090), (130, 166659318), (140, 154755081), (156, 138882765), (180, 120365063), (182, 119042370), (195, 111106212), (210, 103170054), (234, 92588510), (252, 85975045), (260, 83329659), (273, 79361580), (315, 68780036), (364, 59521185), (390, 55553106), (420, 51585027), (455, 47616948), (468, 46294255), (546, 39680790), (585, 37035404), (630, 34390018), (780, 27776553), (819, 26453860), (910, 23808474), (1092, 19840395), (1170, 18517702), (1260, 17195009), (1365, 15872316), (1638, 13226930), (1820, 11904237), (2340, 9258851), (2730, 7936158), (3276, 6613465), (4095, 5290772), (5460, 3968079), (8190, 2645386), (16380, 1322693)]