21241248

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:526

約数の個数: 96

約数和(自身を含む): 64745856

約数和(自身を除く): 43504608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 73, 84, 96, 112, 146, 168, 219, 224, 292, 336, 433, 438, 511, 584, 672, 866, 876, 1022, 1168, 1299, 1533, 1732, 1752, 2044, 2336, 2598, 3031, 3066, 3464, 3504, 4088, 5196, 6062, 6132, 6928, 7008, 8176, 9093, 10392, 12124, 12264, 13856, 16352, 18186, 20784, 24248, 24528, 31609, 36372, 41568, 48496, 49056, 63218, 72744, 94827, 96992, 126436, 145488, 189654, 221263, 252872, 290976, 379308, 442526, 505744, 663789, 758616, 885052, 1011488, 1327578, 1517232, 1770104, 2655156, 3034464, 3540208, 5310312, 7080416, 10620624, 21241248]

約数ペア:

[(1, 21241248), (2, 10620624), (3, 7080416), (4, 5310312), (6, 3540208), (7, 3034464), (8, 2655156), (12, 1770104), (14, 1517232), (16, 1327578), (21, 1011488), (24, 885052), (28, 758616), (32, 663789), (42, 505744), (48, 442526), (56, 379308), (73, 290976), (84, 252872), (96, 221263), (112, 189654), (146, 145488), (168, 126436), (219, 96992), (224, 94827), (292, 72744), (336, 63218), (433, 49056), (438, 48496), (511, 41568), (584, 36372), (672, 31609), (866, 24528), (876, 24248), (1022, 20784), (1168, 18186), (1299, 16352), (1533, 13856), (1732, 12264), (1752, 12124), (2044, 10392), (2336, 9093), (2598, 8176), (3031, 7008), (3066, 6928), (3464, 6132), (3504, 6062), (4088, 5196)]