21747726

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 67931136

約数和(自身を除く): 46183410

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 17, 18, 21, 22, 26, 33, 34, 39, 42, 51, 63, 66, 71, 77, 78, 91, 99, 102, 117, 119, 126, 142, 143, 153, 154, 182, 187, 198, 213, 221, 231, 234, 238, 273, 286, 306, 357, 374, 426, 429, 442, 462, 497, 546, 561, 639, 663, 693, 714, 781, 819, 858, 923, 994, 1001, 1071, 1122, 1207, 1278, 1287, 1309, 1326, 1386, 1491, 1547, 1562, 1638, 1683, 1846, 1989, 2002, 2142, 2343, 2414, 2431, 2574, 2618, 2769, 2982, 3003, 3094, 3366, 3621, 3927, 3978, 4473, 4641, 4686, 4862, 5467, 5538, 6006, 6461, 7029, 7242, 7293, 7854, 8307, 8449, 8946, 9009, 9282, 10153, 10863, 10934, 11781, 12922, 13277, 13923, 14058, 14586, 15691, 16401, 16614, 16898, 17017, 18018, 19383, 20306, 21726, 21879, 23562, 25347, 26554, 27846, 30459, 31382, 32802, 34034, 38766, 39831, 43758, 47073, 49203, 50694, 51051, 58149, 60918, 71071, 76041, 79662, 91377, 92939, 94146, 98406, 102102, 109837, 116298, 119493, 141219, 142142, 152082, 153153, 172601, 182754, 185878, 213213, 219674, 238986, 278817, 282438, 306306, 329511, 345202, 426426, 517803, 557634, 639639, 659022, 836451, 988533, 1035606, 1208207, 1279278, 1553409, 1672902, 1977066, 2416414, 3106818, 3624621, 7249242, 10873863, 21747726]

約数ペア:

[(1, 21747726), (2, 10873863), (3, 7249242), (6, 3624621), (7, 3106818), (9, 2416414), (11, 1977066), (13, 1672902), (14, 1553409), (17, 1279278), (18, 1208207), (21, 1035606), (22, 988533), (26, 836451), (33, 659022), (34, 639639), (39, 557634), (42, 517803), (51, 426426), (63, 345202), (66, 329511), (71, 306306), (77, 282438), (78, 278817), (91, 238986), (99, 219674), (102, 213213), (117, 185878), (119, 182754), (126, 172601), (142, 153153), (143, 152082), (153, 142142), (154, 141219), (182, 119493), (187, 116298), (198, 109837), (213, 102102), (221, 98406), (231, 94146), (234, 92939), (238, 91377), (273, 79662), (286, 76041), (306, 71071), (357, 60918), (374, 58149), (426, 51051), (429, 50694), (442, 49203), (462, 47073), (497, 43758), (546, 39831), (561, 38766), (639, 34034), (663, 32802), (693, 31382), (714, 30459), (781, 27846), (819, 26554), (858, 25347), (923, 23562), (994, 21879), (1001, 21726), (1071, 20306), (1122, 19383), (1207, 18018), (1278, 17017), (1287, 16898), (1309, 16614), (1326, 16401), (1386, 15691), (1491, 14586), (1547, 14058), (1562, 13923), (1638, 13277), (1683, 12922), (1846, 11781), (1989, 10934), (2002, 10863), (2142, 10153), (2343, 9282), (2414, 9009), (2431, 8946), (2574, 8449), (2618, 8307), (2769, 7854), (2982, 7293), (3003, 7242), (3094, 7029), (3366, 6461), (3621, 6006), (3927, 5538), (3978, 5467), (4473, 4862), (4641, 4686)]