21533328

素因数分解:

$2^4\times 3^2\times {\mathrm{229}}^1\times {\mathrm{653}}^1$

素因数の和:896

約数の個数: 60

約数和(自身を含む): 60619260

約数和(自身を除く): 39085932

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 229, 458, 653, 687, 916, 1306, 1374, 1832, 1959, 2061, 2612, 2748, 3664, 3918, 4122, 5224, 5496, 5877, 7836, 8244, 10448, 10992, 11754, 15672, 16488, 23508, 31344, 32976, 47016, 94032, 149537, 299074, 448611, 598148, 897222, 1196296, 1345833, 1794444, 2392592, 2691666, 3588888, 5383332, 7177776, 10766664, 21533328]

約数ペア:

[(1, 21533328), (2, 10766664), (3, 7177776), (4, 5383332), (6, 3588888), (8, 2691666), (9, 2392592), (12, 1794444), (16, 1345833), (18, 1196296), (24, 897222), (36, 598148), (48, 448611), (72, 299074), (144, 149537), (229, 94032), (458, 47016), (653, 32976), (687, 31344), (916, 23508), (1306, 16488), (1374, 15672), (1832, 11754), (1959, 10992), (2061, 10448), (2612, 8244), (2748, 7836), (3664, 5877), (3918, 5496), (4122, 5224)]