21181344

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 38258400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 53, 69, 92, 96, 106, 138, 159, 181, 184, 212, 276, 318, 362, 368, 424, 543, 552, 636, 724, 736, 848, 1086, 1104, 1219, 1272, 1448, 1696, 2172, 2208, 2438, 2544, 2896, 3657, 4163, 4344, 4876, 5088, 5792, 7314, 8326, 8688, 9593, 9752, 12489, 14628, 16652, 17376, 19186, 19504, 24978, 28779, 29256, 33304, 38372, 39008, 49956, 57558, 58512, 66608, 76744, 99912, 115116, 117024, 133216, 153488, 199824, 220639, 230232, 306976, 399648, 441278, 460464, 661917, 882556, 920928, 1323834, 1765112, 2647668, 3530224, 5295336, 7060448, 10590672, 21181344]

約数ペア:

[(1, 21181344), (2, 10590672), (3, 7060448), (4, 5295336), (6, 3530224), (8, 2647668), (12, 1765112), (16, 1323834), (23, 920928), (24, 882556), (32, 661917), (46, 460464), (48, 441278), (53, 399648), (69, 306976), (92, 230232), (96, 220639), (106, 199824), (138, 153488), (159, 133216), (181, 117024), (184, 115116), (212, 99912), (276, 76744), (318, 66608), (362, 58512), (368, 57558), (424, 49956), (543, 39008), (552, 38372), (636, 33304), (724, 29256), (736, 28779), (848, 24978), (1086, 19504), (1104, 19186), (1219, 17376), (1272, 16652), (1448, 14628), (1696, 12489), (2172, 9752), (2208, 9593), (2438, 8688), (2544, 8326), (2896, 7314), (3657, 5792), (4163, 5088), (4344, 4876)]