21421488

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1450

約数の個数: 80

約数和(自身を含む): 62496000

約数和(自身を除く): 41074512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 29, 33, 44, 48, 58, 66, 87, 88, 116, 132, 174, 176, 232, 264, 319, 348, 464, 528, 638, 696, 957, 1276, 1392, 1399, 1914, 2552, 2798, 3828, 4197, 5104, 5596, 7656, 8394, 11192, 15312, 15389, 16788, 22384, 30778, 33576, 40571, 46167, 61556, 67152, 81142, 92334, 121713, 123112, 162284, 184668, 243426, 246224, 324568, 369336, 446281, 486852, 649136, 738672, 892562, 973704, 1338843, 1785124, 1947408, 2677686, 3570248, 5355372, 7140496, 10710744, 21421488]

約数ペア:

[(1, 21421488), (2, 10710744), (3, 7140496), (4, 5355372), (6, 3570248), (8, 2677686), (11, 1947408), (12, 1785124), (16, 1338843), (22, 973704), (24, 892562), (29, 738672), (33, 649136), (44, 486852), (48, 446281), (58, 369336), (66, 324568), (87, 246224), (88, 243426), (116, 184668), (132, 162284), (174, 123112), (176, 121713), (232, 92334), (264, 81142), (319, 67152), (348, 61556), (464, 46167), (528, 40571), (638, 33576), (696, 30778), (957, 22384), (1276, 16788), (1392, 15389), (1399, 15312), (1914, 11192), (2552, 8394), (2798, 7656), (3828, 5596), (4197, 5104)]