21182652960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{900623}}^1$

素因数の和:900655

約数の個数: 144

約数和(自身を含む): 77619378816

約数和(自身を除く): 56436725856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 23520, 900623, 1801246, 2701869, 3602492, 4503115, 5403738, 6304361, 7204984, 9006230, 10807476, 12608722, 13509345, 14409968, 18012460, 18913083, 21614952, 25217444, 27018690, 28819936, 31521805, 36024920, 37826166, 43229904, 44130527, 50434888, 54037380, 63043610, 72049840, 75652332, 86459808, 88261054, 94565415, 100869776, 108074760, 126087220, 132391581, 144099680, 151304664, 176522108, 189130830, 201739552, 216149520, 220652635, 252174440, 264783162, 302609328, 353044216, 378261660, 432299040, 441305270, 504348880, 529566324, 605218656, 661957905, 706088432, 756523320, 882610540, 1008697760, 1059132648, 1323915810, 1412176864, 1513046640, 1765221080, 2118265296, 2647831620, 3026093280, 3530442160, 4236530592, 5295663240, 7060884320, 10591326480, 21182652960]

約数ペア:

[(1, 21182652960), (2, 10591326480), (3, 7060884320), (4, 5295663240), (5, 4236530592), (6, 3530442160), (7, 3026093280), (8, 2647831620), (10, 2118265296), (12, 1765221080), (14, 1513046640), (15, 1412176864), (16, 1323915810), (20, 1059132648), (21, 1008697760), (24, 882610540), (28, 756523320), (30, 706088432), (32, 661957905), (35, 605218656), (40, 529566324), (42, 504348880), (48, 441305270), (49, 432299040), (56, 378261660), (60, 353044216), (70, 302609328), (80, 264783162), (84, 252174440), (96, 220652635), (98, 216149520), (105, 201739552), (112, 189130830), (120, 176522108), (140, 151304664), (147, 144099680), (160, 132391581), (168, 126087220), (196, 108074760), (210, 100869776), (224, 94565415), (240, 88261054), (245, 86459808), (280, 75652332), (294, 72049840), (336, 63043610), (392, 54037380), (420, 50434888), (480, 44130527), (490, 43229904), (560, 37826166), (588, 36024920), (672, 31521805), (735, 28819936), (784, 27018690), (840, 25217444), (980, 21614952), (1120, 18913083), (1176, 18012460), (1470, 14409968), (1568, 13509345), (1680, 12608722), (1960, 10807476), (2352, 9006230), (2940, 7204984), (3360, 6304361), (3920, 5403738), (4704, 4503115), (5880, 3602492), (7840, 2701869), (11760, 1801246), (23520, 900623)]