21473382

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 31057818

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 71, 114, 133, 142, 213, 266, 379, 399, 426, 497, 758, 798, 994, 1137, 1349, 1491, 2274, 2653, 2698, 2982, 4047, 5306, 7201, 7959, 8094, 9443, 14402, 15918, 18886, 21603, 26909, 28329, 43206, 50407, 53818, 56658, 80727, 100814, 151221, 161454, 188363, 302442, 376726, 511271, 565089, 1022542, 1130178, 1533813, 3067626, 3578897, 7157794, 10736691, 21473382]

約数ペア:

[(1, 21473382), (2, 10736691), (3, 7157794), (6, 3578897), (7, 3067626), (14, 1533813), (19, 1130178), (21, 1022542), (38, 565089), (42, 511271), (57, 376726), (71, 302442), (114, 188363), (133, 161454), (142, 151221), (213, 100814), (266, 80727), (379, 56658), (399, 53818), (426, 50407), (497, 43206), (758, 28329), (798, 26909), (994, 21603), (1137, 18886), (1349, 15918), (1491, 14402), (2274, 9443), (2653, 8094), (2698, 7959), (2982, 7201), (4047, 5306)]