21337974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 56908800

約数和(自身を除く): 35570826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 37, 42, 46, 63, 69, 74, 111, 126, 138, 161, 199, 207, 222, 259, 322, 333, 398, 414, 483, 518, 597, 666, 777, 851, 966, 1194, 1393, 1449, 1554, 1702, 1791, 2331, 2553, 2786, 2898, 3582, 4179, 4577, 4662, 5106, 5957, 7363, 7659, 8358, 9154, 11914, 12537, 13731, 14726, 15318, 17871, 22089, 25074, 27462, 32039, 35742, 41193, 44178, 51541, 53613, 64078, 66267, 82386, 96117, 103082, 107226, 132534, 154623, 169349, 192234, 288351, 309246, 338698, 463869, 508047, 576702, 927738, 1016094, 1185443, 1524141, 2370886, 3048282, 3556329, 7112658, 10668987, 21337974]

約数ペア:

[(1, 21337974), (2, 10668987), (3, 7112658), (6, 3556329), (7, 3048282), (9, 2370886), (14, 1524141), (18, 1185443), (21, 1016094), (23, 927738), (37, 576702), (42, 508047), (46, 463869), (63, 338698), (69, 309246), (74, 288351), (111, 192234), (126, 169349), (138, 154623), (161, 132534), (199, 107226), (207, 103082), (222, 96117), (259, 82386), (322, 66267), (333, 64078), (398, 53613), (414, 51541), (483, 44178), (518, 41193), (597, 35742), (666, 32039), (777, 27462), (851, 25074), (966, 22089), (1194, 17871), (1393, 15318), (1449, 14726), (1554, 13731), (1702, 12537), (1791, 11914), (2331, 9154), (2553, 8358), (2786, 7659), (2898, 7363), (3582, 5957), (4179, 5106), (4577, 4662)]