21167796140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{1213}}^1$

素因数の和:1539

約数の個数: 96

約数和(自身を含む): 46058072256

約数和(自身を除く): 24890276116

約数列:

[1, 2, 4, 5, 10, 20, 53, 101, 106, 163, 202, 212, 265, 326, 404, 505, 530, 652, 815, 1010, 1060, 1213, 1630, 2020, 2426, 3260, 4852, 5353, 6065, 8639, 10706, 12130, 16463, 17278, 21412, 24260, 26765, 32926, 34556, 43195, 53530, 64289, 65852, 82315, 86390, 107060, 122513, 128578, 164630, 172780, 197719, 245026, 257156, 321445, 329260, 395438, 490052, 612565, 642890, 790876, 872539, 988595, 1225130, 1285780, 1745078, 1977190, 2450260, 3490156, 3954380, 4362695, 6493189, 8725390, 10479107, 12986378, 17450780, 19969619, 20958214, 25972756, 32465945, 39939238, 41916428, 52395535, 64931890, 79878476, 99848095, 104791070, 129863780, 199696190, 209582140, 399392380, 1058389807, 2116779614, 4233559228, 5291949035, 10583898070, 21167796140]

約数ペア:

[(1, 21167796140), (2, 10583898070), (4, 5291949035), (5, 4233559228), (10, 2116779614), (20, 1058389807), (53, 399392380), (101, 209582140), (106, 199696190), (163, 129863780), (202, 104791070), (212, 99848095), (265, 79878476), (326, 64931890), (404, 52395535), (505, 41916428), (530, 39939238), (652, 32465945), (815, 25972756), (1010, 20958214), (1060, 19969619), (1213, 17450780), (1630, 12986378), (2020, 10479107), (2426, 8725390), (3260, 6493189), (4852, 4362695), (5353, 3954380), (6065, 3490156), (8639, 2450260), (10706, 1977190), (12130, 1745078), (16463, 1285780), (17278, 1225130), (21412, 988595), (24260, 872539), (26765, 790876), (32926, 642890), (34556, 612565), (43195, 490052), (53530, 395438), (64289, 329260), (65852, 321445), (82315, 257156), (86390, 245026), (107060, 197719), (122513, 172780), (128578, 164630)]