21544952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 48837600

約数和(自身を除く): 27292648

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 481, 509, 572, 814, 962, 1018, 1144, 1628, 1924, 2036, 3256, 3848, 4072, 5291, 5599, 6617, 10582, 11198, 13234, 18833, 21164, 22396, 26468, 37666, 42328, 44792, 52936, 72787, 75332, 145574, 150664, 207163, 244829, 291148, 414326, 489658, 582296, 828652, 979316, 1657304, 1958632, 2693119, 5386238, 10772476, 21544952]

約数ペア:

[(1, 21544952), (2, 10772476), (4, 5386238), (8, 2693119), (11, 1958632), (13, 1657304), (22, 979316), (26, 828652), (37, 582296), (44, 489658), (52, 414326), (74, 291148), (88, 244829), (104, 207163), (143, 150664), (148, 145574), (286, 75332), (296, 72787), (407, 52936), (481, 44792), (509, 42328), (572, 37666), (814, 26468), (962, 22396), (1018, 21164), (1144, 18833), (1628, 13234), (1924, 11198), (2036, 10582), (3256, 6617), (3848, 5599), (4072, 5291)]