21273378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16339}}^1$

素因数の和:16382

約数の個数: 32

約数和(自身を含む): 50196480

約数和(自身を除く): 28923102

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 16339, 32678, 49017, 98034, 114373, 228746, 343119, 506509, 686238, 1013018, 1519527, 3039054, 3545563, 7091126, 10636689, 21273378]

約数ペア:

[(1, 21273378), (2, 10636689), (3, 7091126), (6, 3545563), (7, 3039054), (14, 1519527), (21, 1013018), (31, 686238), (42, 506509), (62, 343119), (93, 228746), (186, 114373), (217, 98034), (434, 49017), (651, 32678), (1302, 16339)]