21763230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 34120290

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 139, 170, 255, 278, 307, 417, 510, 614, 695, 834, 921, 1390, 1535, 1842, 2085, 2363, 3070, 4170, 4605, 4726, 5219, 7089, 9210, 10438, 11815, 14178, 15657, 23630, 26095, 31314, 35445, 42673, 52190, 70890, 78285, 85346, 128019, 156570, 213365, 256038, 426730, 640095, 725441, 1280190, 1450882, 2176323, 3627205, 4352646, 7254410, 10881615, 21763230]

約数ペア:

[(1, 21763230), (2, 10881615), (3, 7254410), (5, 4352646), (6, 3627205), (10, 2176323), (15, 1450882), (17, 1280190), (30, 725441), (34, 640095), (51, 426730), (85, 256038), (102, 213365), (139, 156570), (170, 128019), (255, 85346), (278, 78285), (307, 70890), (417, 52190), (510, 42673), (614, 35445), (695, 31314), (834, 26095), (921, 23630), (1390, 15657), (1535, 14178), (1842, 11815), (2085, 10438), (2363, 9210), (3070, 7089), (4170, 5219), (4605, 4726)]