21985392

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3238

約数の個数: 80

約数和(自身を含む): 66745728

約数和(自身を除く): 44760336

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 176, 208, 264, 286, 312, 429, 528, 572, 624, 858, 1144, 1716, 2288, 3203, 3432, 6406, 6864, 9609, 12812, 19218, 25624, 35233, 38436, 41639, 51248, 70466, 76872, 83278, 105699, 124917, 140932, 153744, 166556, 211398, 249834, 281864, 333112, 422796, 458029, 499668, 563728, 666224, 845592, 916058, 999336, 1374087, 1691184, 1832116, 1998672, 2748174, 3664232, 5496348, 7328464, 10992696, 21985392]

約数ペア:

[(1, 21985392), (2, 10992696), (3, 7328464), (4, 5496348), (6, 3664232), (8, 2748174), (11, 1998672), (12, 1832116), (13, 1691184), (16, 1374087), (22, 999336), (24, 916058), (26, 845592), (33, 666224), (39, 563728), (44, 499668), (48, 458029), (52, 422796), (66, 333112), (78, 281864), (88, 249834), (104, 211398), (132, 166556), (143, 153744), (156, 140932), (176, 124917), (208, 105699), (264, 83278), (286, 76872), (312, 70466), (429, 51248), (528, 41639), (572, 38436), (624, 35233), (858, 25624), (1144, 19218), (1716, 12812), (2288, 9609), (3203, 6864), (3432, 6406)]