21667680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:429

約数の個数: 144

約数和(自身を含む): 75950784

約数和(自身を除く): 54283104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 328, 360, 367, 369, 410, 480, 492, 615, 656, 720, 734, 738, 820, 984, 1101, 1230, 1312, 1440, 1468, 1476, 1640, 1835, 1845, 1968, 2202, 2460, 2936, 2952, 3280, 3303, 3670, 3690, 3936, 4404, 4920, 5505, 5872, 5904, 6560, 6606, 7340, 7380, 8808, 9840, 11010, 11744, 11808, 13212, 14680, 14760, 15047, 16515, 17616, 19680, 22020, 26424, 29360, 29520, 30094, 33030, 35232, 44040, 45141, 52848, 58720, 59040, 60188, 66060, 75235, 88080, 90282, 105696, 120376, 132120, 135423, 150470, 176160, 180564, 225705, 240752, 264240, 270846, 300940, 361128, 451410, 481504, 528480, 541692, 601880, 677115, 722256, 902820, 1083384, 1203760, 1354230, 1444512, 1805640, 2166768, 2407520, 2708460, 3611280, 4333536, 5416920, 7222560, 10833840, 21667680]

約数ペア:

[(1, 21667680), (2, 10833840), (3, 7222560), (4, 5416920), (5, 4333536), (6, 3611280), (8, 2708460), (9, 2407520), (10, 2166768), (12, 1805640), (15, 1444512), (16, 1354230), (18, 1203760), (20, 1083384), (24, 902820), (30, 722256), (32, 677115), (36, 601880), (40, 541692), (41, 528480), (45, 481504), (48, 451410), (60, 361128), (72, 300940), (80, 270846), (82, 264240), (90, 240752), (96, 225705), (120, 180564), (123, 176160), (144, 150470), (160, 135423), (164, 132120), (180, 120376), (205, 105696), (240, 90282), (246, 88080), (288, 75235), (328, 66060), (360, 60188), (367, 59040), (369, 58720), (410, 52848), (480, 45141), (492, 44040), (615, 35232), (656, 33030), (720, 30094), (734, 29520), (738, 29360), (820, 26424), (984, 22020), (1101, 19680), (1230, 17616), (1312, 16515), (1440, 15047), (1468, 14760), (1476, 14680), (1640, 13212), (1835, 11808), (1845, 11744), (1968, 11010), (2202, 9840), (2460, 8808), (2936, 7380), (2952, 7340), (3280, 6606), (3303, 6560), (3670, 5904), (3690, 5872), (3936, 5505), (4404, 4920)]