21510918

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 56058912

約数和(自身を除く): 34547994

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 61, 66, 78, 99, 117, 122, 137, 143, 183, 198, 234, 274, 286, 366, 411, 429, 549, 671, 793, 822, 858, 1098, 1233, 1287, 1342, 1507, 1586, 1781, 2013, 2379, 2466, 2574, 3014, 3562, 4026, 4521, 4758, 5343, 6039, 7137, 8357, 8723, 9042, 10686, 12078, 13563, 14274, 16029, 16714, 17446, 19591, 25071, 26169, 27126, 32058, 39182, 50142, 52338, 58773, 75213, 78507, 91927, 108641, 117546, 150426, 157014, 176319, 183854, 217282, 275781, 325923, 352638, 551562, 651846, 827343, 977769, 1195051, 1654686, 1955538, 2390102, 3585153, 7170306, 10755459, 21510918]

約数ペア:

[(1, 21510918), (2, 10755459), (3, 7170306), (6, 3585153), (9, 2390102), (11, 1955538), (13, 1654686), (18, 1195051), (22, 977769), (26, 827343), (33, 651846), (39, 551562), (61, 352638), (66, 325923), (78, 275781), (99, 217282), (117, 183854), (122, 176319), (137, 157014), (143, 150426), (183, 117546), (198, 108641), (234, 91927), (274, 78507), (286, 75213), (366, 58773), (411, 52338), (429, 50142), (549, 39182), (671, 32058), (793, 27126), (822, 26169), (858, 25071), (1098, 19591), (1233, 17446), (1287, 16714), (1342, 16029), (1507, 14274), (1586, 13563), (1781, 12078), (2013, 10686), (2379, 9042), (2466, 8723), (2574, 8357), (3014, 7137), (3562, 6039), (4026, 5343), (4521, 4758)]