21199896

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15497}}^1$

素因数の和:15528

約数の個数: 48

約数和(自身を含む): 60442200

約数和(自身を除く): 39242304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15497, 30994, 46491, 61988, 92982, 123976, 139473, 185964, 278946, 294443, 371928, 557892, 588886, 883329, 1115784, 1177772, 1766658, 2355544, 2649987, 3533316, 5299974, 7066632, 10599948, 21199896]

約数ペア:

[(1, 21199896), (2, 10599948), (3, 7066632), (4, 5299974), (6, 3533316), (8, 2649987), (9, 2355544), (12, 1766658), (18, 1177772), (19, 1115784), (24, 883329), (36, 588886), (38, 557892), (57, 371928), (72, 294443), (76, 278946), (114, 185964), (152, 139473), (171, 123976), (228, 92982), (342, 61988), (456, 46491), (684, 30994), (1368, 15497)]