21430304

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3299}}^1$

素因数の和:3345

約数の個数: 48

約数和(自身を含む): 49896000

約数和(自身を除く): 28465696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3248, 3299, 6496, 6598, 13196, 23093, 26392, 46186, 52784, 92372, 95671, 105568, 184744, 191342, 369488, 382684, 669697, 738976, 765368, 1339394, 1530736, 2678788, 3061472, 5357576, 10715152, 21430304]

約数ペア:

[(1, 21430304), (2, 10715152), (4, 5357576), (7, 3061472), (8, 2678788), (14, 1530736), (16, 1339394), (28, 765368), (29, 738976), (32, 669697), (56, 382684), (58, 369488), (112, 191342), (116, 184744), (203, 105568), (224, 95671), (232, 92372), (406, 52784), (464, 46186), (812, 26392), (928, 23093), (1624, 13196), (3248, 6598), (3299, 6496)]