21040032

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:782

約数の個数: 96

約数和(自身を含む): 62149248

約数和(自身を除く): 41109216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 69, 78, 92, 96, 104, 138, 156, 184, 208, 276, 299, 312, 368, 416, 552, 598, 624, 733, 736, 897, 1104, 1196, 1248, 1466, 1794, 2199, 2208, 2392, 2932, 3588, 4398, 4784, 5864, 7176, 8796, 9529, 9568, 11728, 14352, 16859, 17592, 19058, 23456, 28587, 28704, 33718, 35184, 38116, 50577, 57174, 67436, 70368, 76232, 101154, 114348, 134872, 152464, 202308, 219167, 228696, 269744, 304928, 404616, 438334, 457392, 539488, 657501, 809232, 876668, 914784, 1315002, 1618464, 1753336, 2630004, 3506672, 5260008, 7013344, 10520016, 21040032]

約数ペア:

[(1, 21040032), (2, 10520016), (3, 7013344), (4, 5260008), (6, 3506672), (8, 2630004), (12, 1753336), (13, 1618464), (16, 1315002), (23, 914784), (24, 876668), (26, 809232), (32, 657501), (39, 539488), (46, 457392), (48, 438334), (52, 404616), (69, 304928), (78, 269744), (92, 228696), (96, 219167), (104, 202308), (138, 152464), (156, 134872), (184, 114348), (208, 101154), (276, 76232), (299, 70368), (312, 67436), (368, 57174), (416, 50577), (552, 38116), (598, 35184), (624, 33718), (733, 28704), (736, 28587), (897, 23456), (1104, 19058), (1196, 17592), (1248, 16859), (1466, 14352), (1794, 11728), (2199, 9568), (2208, 9529), (2392, 8796), (2932, 7176), (3588, 5864), (4398, 4784)]