21617640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 192

約数和(自身を含む): 78848640

約数和(自身を除く): 57231000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 53, 55, 60, 66, 72, 88, 90, 99, 103, 106, 110, 120, 132, 159, 165, 180, 198, 206, 212, 220, 264, 265, 309, 318, 330, 360, 396, 412, 424, 440, 477, 495, 515, 530, 583, 618, 636, 660, 792, 795, 824, 927, 954, 990, 1030, 1060, 1133, 1166, 1236, 1272, 1320, 1545, 1590, 1749, 1854, 1908, 1980, 2060, 2120, 2266, 2332, 2385, 2472, 2915, 3090, 3180, 3399, 3498, 3708, 3816, 3960, 4120, 4532, 4635, 4664, 4770, 5247, 5459, 5665, 5830, 6180, 6360, 6798, 6996, 7416, 8745, 9064, 9270, 9540, 10197, 10494, 10918, 11330, 11660, 12360, 13596, 13992, 16377, 16995, 17490, 18540, 19080, 20394, 20988, 21836, 22660, 23320, 26235, 27192, 27295, 32754, 33990, 34980, 37080, 40788, 41976, 43672, 45320, 49131, 50985, 52470, 54590, 60049, 65508, 67980, 69960, 81576, 81885, 98262, 101970, 104940, 109180, 120098, 131016, 135960, 163770, 180147, 196524, 203940, 209880, 218360, 240196, 245655, 300245, 327540, 360294, 393048, 407880, 480392, 491310, 540441, 600490, 655080, 720588, 900735, 982620, 1080882, 1200980, 1441176, 1801470, 1965240, 2161764, 2401960, 2702205, 3602940, 4323528, 5404410, 7205880, 10808820, 21617640]

約数ペア:

[(1, 21617640), (2, 10808820), (3, 7205880), (4, 5404410), (5, 4323528), (6, 3602940), (8, 2702205), (9, 2401960), (10, 2161764), (11, 1965240), (12, 1801470), (15, 1441176), (18, 1200980), (20, 1080882), (22, 982620), (24, 900735), (30, 720588), (33, 655080), (36, 600490), (40, 540441), (44, 491310), (45, 480392), (53, 407880), (55, 393048), (60, 360294), (66, 327540), (72, 300245), (88, 245655), (90, 240196), (99, 218360), (103, 209880), (106, 203940), (110, 196524), (120, 180147), (132, 163770), (159, 135960), (165, 131016), (180, 120098), (198, 109180), (206, 104940), (212, 101970), (220, 98262), (264, 81885), (265, 81576), (309, 69960), (318, 67980), (330, 65508), (360, 60049), (396, 54590), (412, 52470), (424, 50985), (440, 49131), (477, 45320), (495, 43672), (515, 41976), (530, 40788), (583, 37080), (618, 34980), (636, 33990), (660, 32754), (792, 27295), (795, 27192), (824, 26235), (927, 23320), (954, 22660), (990, 21836), (1030, 20988), (1060, 20394), (1133, 19080), (1166, 18540), (1236, 17490), (1272, 16995), (1320, 16377), (1545, 13992), (1590, 13596), (1749, 12360), (1854, 11660), (1908, 11330), (1980, 10918), (2060, 10494), (2120, 10197), (2266, 9540), (2332, 9270), (2385, 9064), (2472, 8745), (2915, 7416), (3090, 6996), (3180, 6798), (3399, 6360), (3498, 6180), (3708, 5830), (3816, 5665), (3960, 5459), (4120, 5247), (4532, 4770), (4635, 4664)]