21378336

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1097}}^1$

素因数の和:1146

約数の個数: 96

約数和(自身を含む): 66407040

約数和(自身を除く): 45028704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 56, 58, 84, 87, 96, 112, 116, 168, 174, 203, 224, 232, 336, 348, 406, 464, 609, 672, 696, 812, 928, 1097, 1218, 1392, 1624, 2194, 2436, 2784, 3248, 3291, 4388, 4872, 6496, 6582, 7679, 8776, 9744, 13164, 15358, 17552, 19488, 23037, 26328, 30716, 31813, 35104, 46074, 52656, 61432, 63626, 92148, 95439, 105312, 122864, 127252, 184296, 190878, 222691, 245728, 254504, 368592, 381756, 445382, 509008, 668073, 737184, 763512, 890764, 1018016, 1336146, 1527024, 1781528, 2672292, 3054048, 3563056, 5344584, 7126112, 10689168, 21378336]

約数ペア:

[(1, 21378336), (2, 10689168), (3, 7126112), (4, 5344584), (6, 3563056), (7, 3054048), (8, 2672292), (12, 1781528), (14, 1527024), (16, 1336146), (21, 1018016), (24, 890764), (28, 763512), (29, 737184), (32, 668073), (42, 509008), (48, 445382), (56, 381756), (58, 368592), (84, 254504), (87, 245728), (96, 222691), (112, 190878), (116, 184296), (168, 127252), (174, 122864), (203, 105312), (224, 95439), (232, 92148), (336, 63626), (348, 61432), (406, 52656), (464, 46074), (609, 35104), (672, 31813), (696, 30716), (812, 26328), (928, 23037), (1097, 19488), (1218, 17552), (1392, 15358), (1624, 13164), (2194, 9744), (2436, 8776), (2784, 7679), (3248, 6582), (3291, 6496), (4388, 4872)]