21064056

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 57177120

約数和(自身を除く): 36113064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 181, 312, 362, 373, 543, 724, 746, 1086, 1119, 1448, 1492, 2172, 2238, 2353, 2984, 4344, 4476, 4706, 4849, 7059, 8952, 9412, 9698, 14118, 14547, 18824, 19396, 28236, 29094, 38792, 56472, 58188, 67513, 116376, 135026, 202539, 270052, 405078, 540104, 810156, 877669, 1620312, 1755338, 2633007, 3510676, 5266014, 7021352, 10532028, 21064056]

約数ペア:

[(1, 21064056), (2, 10532028), (3, 7021352), (4, 5266014), (6, 3510676), (8, 2633007), (12, 1755338), (13, 1620312), (24, 877669), (26, 810156), (39, 540104), (52, 405078), (78, 270052), (104, 202539), (156, 135026), (181, 116376), (312, 67513), (362, 58188), (373, 56472), (543, 38792), (724, 29094), (746, 28236), (1086, 19396), (1119, 18824), (1448, 14547), (1492, 14118), (2172, 9698), (2238, 9412), (2353, 8952), (2984, 7059), (4344, 4849), (4476, 4706)]