21170814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30669186

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 149, 199, 238, 298, 357, 398, 447, 597, 714, 894, 1043, 1194, 1393, 2086, 2533, 2786, 3129, 3383, 4179, 5066, 6258, 6766, 7599, 8358, 10149, 15198, 17731, 20298, 23681, 29651, 35462, 47362, 53193, 59302, 71043, 88953, 106386, 142086, 177906, 207557, 415114, 504067, 622671, 1008134, 1245342, 1512201, 3024402, 3528469, 7056938, 10585407, 21170814]

約数ペア:

[(1, 21170814), (2, 10585407), (3, 7056938), (6, 3528469), (7, 3024402), (14, 1512201), (17, 1245342), (21, 1008134), (34, 622671), (42, 504067), (51, 415114), (102, 207557), (119, 177906), (149, 142086), (199, 106386), (238, 88953), (298, 71043), (357, 59302), (398, 53193), (447, 47362), (597, 35462), (714, 29651), (894, 23681), (1043, 20298), (1194, 17731), (1393, 15198), (2086, 10149), (2533, 8358), (2786, 7599), (3129, 6766), (3383, 6258), (4179, 5066)]