21125376

素因数分解:

$2^8\times 3^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 108

約数和(自身を含む): 62417628

約数和(自身を除く): 41292252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 64, 72, 96, 106, 128, 144, 159, 173, 192, 212, 256, 288, 318, 346, 384, 424, 477, 519, 576, 636, 692, 768, 848, 954, 1038, 1152, 1272, 1384, 1557, 1696, 1908, 2076, 2304, 2544, 2768, 3114, 3392, 3816, 4152, 5088, 5536, 6228, 6784, 7632, 8304, 9169, 10176, 11072, 12456, 13568, 15264, 16608, 18338, 20352, 22144, 24912, 27507, 30528, 33216, 36676, 40704, 44288, 49824, 55014, 61056, 66432, 73352, 82521, 99648, 110028, 122112, 132864, 146704, 165042, 199296, 220056, 293408, 330084, 398592, 440112, 586816, 660168, 880224, 1173632, 1320336, 1760448, 2347264, 2640672, 3520896, 5281344, 7041792, 10562688, 21125376]

約数ペア:

[(1, 21125376), (2, 10562688), (3, 7041792), (4, 5281344), (6, 3520896), (8, 2640672), (9, 2347264), (12, 1760448), (16, 1320336), (18, 1173632), (24, 880224), (32, 660168), (36, 586816), (48, 440112), (53, 398592), (64, 330084), (72, 293408), (96, 220056), (106, 199296), (128, 165042), (144, 146704), (159, 132864), (173, 122112), (192, 110028), (212, 99648), (256, 82521), (288, 73352), (318, 66432), (346, 61056), (384, 55014), (424, 49824), (477, 44288), (519, 40704), (576, 36676), (636, 33216), (692, 30528), (768, 27507), (848, 24912), (954, 22144), (1038, 20352), (1152, 18338), (1272, 16608), (1384, 15264), (1557, 13568), (1696, 12456), (1908, 11072), (2076, 10176), (2304, 9169), (2544, 8304), (2768, 7632), (3114, 6784), (3392, 6228), (3816, 5536), (4152, 5088)]