21615104

素因数分解:

$2^9\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 80

約数和(自身を含む): 51002688

約数和(自身を除く): 29387584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 163, 224, 256, 259, 296, 326, 448, 512, 518, 592, 652, 896, 1036, 1141, 1184, 1304, 1792, 2072, 2282, 2368, 2608, 3584, 4144, 4564, 4736, 5216, 6031, 8288, 9128, 9472, 10432, 12062, 16576, 18256, 18944, 20864, 24124, 33152, 36512, 41728, 42217, 48248, 66304, 73024, 83456, 84434, 96496, 132608, 146048, 168868, 192992, 292096, 337736, 385984, 584192, 675472, 771968, 1350944, 1543936, 2701888, 3087872, 5403776, 10807552, 21615104]

約数ペア:

[(1, 21615104), (2, 10807552), (4, 5403776), (7, 3087872), (8, 2701888), (14, 1543936), (16, 1350944), (28, 771968), (32, 675472), (37, 584192), (56, 385984), (64, 337736), (74, 292096), (112, 192992), (128, 168868), (148, 146048), (163, 132608), (224, 96496), (256, 84434), (259, 83456), (296, 73024), (326, 66304), (448, 48248), (512, 42217), (518, 41728), (592, 36512), (652, 33152), (896, 24124), (1036, 20864), (1141, 18944), (1184, 18256), (1304, 16576), (1792, 12062), (2072, 10432), (2282, 9472), (2368, 9128), (2608, 8288), (3584, 6031), (4144, 5216), (4564, 4736)]