21000547638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{32687}}^1\times {\mathrm{5099}}^1$

素因数の和:37801

約数の個数: 48

約数和(自身を含む): 52013145600

約数和(自身を除く): 31012597962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 5099, 10198, 15297, 30594, 32687, 35693, 45891, 65374, 71386, 91782, 98061, 107079, 196122, 214158, 228809, 294183, 321237, 457618, 588366, 642474, 686427, 1372854, 2059281, 4118562, 166671013, 333342026, 500013039, 1000026078, 1166697091, 1500039117, 2333394182, 3000078234, 3500091273, 7000182546, 10500273819, 21000547638]

約数ペア:

[(1, 21000547638), (2, 10500273819), (3, 7000182546), (6, 3500091273), (7, 3000078234), (9, 2333394182), (14, 1500039117), (18, 1166697091), (21, 1000026078), (42, 500013039), (63, 333342026), (126, 166671013), (5099, 4118562), (10198, 2059281), (15297, 1372854), (30594, 686427), (32687, 642474), (35693, 588366), (45891, 457618), (65374, 321237), (71386, 294183), (91782, 228809), (98061, 214158), (107079, 196122)]