16921788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1619}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 26260932

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1619, 1742, 2613, 3238, 3484, 4857, 5226, 6476, 9714, 10452, 19428, 21047, 42094, 63141, 84188, 108473, 126282, 216946, 252564, 325419, 433892, 650838, 1301676, 1410149, 2820298, 4230447, 5640596, 8460894, 16921788]

約数ペア:

[(1, 16921788), (2, 8460894), (3, 5640596), (4, 4230447), (6, 2820298), (12, 1410149), (13, 1301676), (26, 650838), (39, 433892), (52, 325419), (67, 252564), (78, 216946), (134, 126282), (156, 108473), (201, 84188), (268, 63141), (402, 42094), (804, 21047), (871, 19428), (1619, 10452), (1742, 9714), (2613, 6476), (3238, 5226), (3484, 4857)]