21159924

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 50788416

約数和(自身を除く): 29628492

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 137, 183, 211, 244, 274, 366, 411, 422, 548, 633, 732, 822, 844, 1266, 1644, 2532, 8357, 12871, 16714, 25071, 25742, 28907, 33428, 38613, 50142, 51484, 57814, 77226, 86721, 100284, 115628, 154452, 173442, 346884, 1763327, 3526654, 5289981, 7053308, 10579962, 21159924]

約数ペア:

[(1, 21159924), (2, 10579962), (3, 7053308), (4, 5289981), (6, 3526654), (12, 1763327), (61, 346884), (122, 173442), (137, 154452), (183, 115628), (211, 100284), (244, 86721), (274, 77226), (366, 57814), (411, 51484), (422, 50142), (548, 38613), (633, 33428), (732, 28907), (822, 25742), (844, 25071), (1266, 16714), (1644, 12871), (2532, 8357)]