21681432

素因数分解:

$2^3\times 3^5\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:627

約数の個数: 96

約数和(自身を含む): 64209600

約数和(自身を除く): 42528168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 243, 324, 342, 456, 486, 513, 587, 648, 684, 972, 1026, 1174, 1368, 1539, 1761, 1944, 2052, 2348, 3078, 3522, 4104, 4617, 4696, 5283, 6156, 7044, 9234, 10566, 11153, 12312, 14088, 15849, 18468, 21132, 22306, 31698, 33459, 36936, 42264, 44612, 47547, 63396, 66918, 89224, 95094, 100377, 126792, 133836, 142641, 190188, 200754, 267672, 285282, 301131, 380376, 401508, 570564, 602262, 803016, 903393, 1141128, 1204524, 1806786, 2409048, 2710179, 3613572, 5420358, 7227144, 10840716, 21681432]

約数ペア:

[(1, 21681432), (2, 10840716), (3, 7227144), (4, 5420358), (6, 3613572), (8, 2710179), (9, 2409048), (12, 1806786), (18, 1204524), (19, 1141128), (24, 903393), (27, 803016), (36, 602262), (38, 570564), (54, 401508), (57, 380376), (72, 301131), (76, 285282), (81, 267672), (108, 200754), (114, 190188), (152, 142641), (162, 133836), (171, 126792), (216, 100377), (228, 95094), (243, 89224), (324, 66918), (342, 63396), (456, 47547), (486, 44612), (513, 42264), (587, 36936), (648, 33459), (684, 31698), (972, 22306), (1026, 21132), (1174, 18468), (1368, 15849), (1539, 14088), (1761, 12312), (1944, 11153), (2052, 10566), (2348, 9234), (3078, 7044), (3522, 6156), (4104, 5283), (4617, 4696)]