21006906184

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1\times {\mathrm{6011}}^1$

素因数の和:6442

約数の個数: 64

約数和(自身を含む): 43424916480

約数和(自身を除く): 22418010296

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 151, 263, 302, 526, 604, 1052, 1208, 1661, 2104, 2893, 3322, 5786, 6011, 6644, 11572, 12022, 13288, 23144, 24044, 39713, 48088, 66121, 79426, 132242, 158852, 264484, 317704, 436843, 528968, 873686, 907661, 1580893, 1747372, 1815322, 3161786, 3494744, 3630644, 6323572, 7261288, 9984271, 12647144, 17389823, 19968542, 34779646, 39937084, 69559292, 79874168, 139118584, 238714843, 477429686, 954859372, 1909718744, 2625863273, 5251726546, 10503453092, 21006906184]

約数ペア:

[(1, 21006906184), (2, 10503453092), (4, 5251726546), (8, 2625863273), (11, 1909718744), (22, 954859372), (44, 477429686), (88, 238714843), (151, 139118584), (263, 79874168), (302, 69559292), (526, 39937084), (604, 34779646), (1052, 19968542), (1208, 17389823), (1661, 12647144), (2104, 9984271), (2893, 7261288), (3322, 6323572), (5786, 3630644), (6011, 3494744), (6644, 3161786), (11572, 1815322), (12022, 1747372), (13288, 1580893), (23144, 907661), (24044, 873686), (39713, 528968), (48088, 436843), (66121, 317704), (79426, 264484), (132242, 158852)]