21062023486

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:387

約数の個数: 144

約数和(自身を含む): 40695674400

約数和(自身を除く): 19633650914

約数列:

[1, 2, 7, 14, 17, 34, 37, 49, 74, 98, 101, 119, 199, 202, 238, 259, 289, 398, 518, 578, 629, 707, 833, 1258, 1393, 1414, 1666, 1717, 1813, 2023, 2786, 3383, 3434, 3626, 3737, 4046, 4403, 4949, 6766, 7363, 7474, 8806, 9751, 9898, 10693, 12019, 14161, 14726, 19502, 20099, 21386, 23681, 24038, 26159, 28322, 29189, 30821, 40198, 47362, 51541, 52318, 57511, 58378, 61642, 63529, 74851, 84133, 103082, 115022, 125171, 127058, 140693, 149702, 165767, 168266, 183113, 204323, 250342, 281386, 331534, 341683, 360787, 366226, 402577, 408646, 444703, 523957, 683366, 721574, 743663, 805154, 876197, 889406, 984851, 1047914, 1079993, 1430261, 1487326, 1752394, 1969702, 2127907, 2159986, 2391781, 2818039, 2860522, 3112921, 4255814, 4783562, 5205641, 5636078, 5808611, 6133379, 6225842, 7559951, 10411282, 11617222, 12266758, 12642271, 14895349, 15119902, 16742467, 25284542, 29790698, 33484934, 36439487, 40660277, 52919657, 72878974, 81320554, 88495897, 104267443, 105839314, 176991794, 208534886, 214918607, 284621939, 429837214, 569243878, 619471279, 1238942558, 1504430249, 3008860498, 10531011743, 21062023486]

約数ペア:

[(1, 21062023486), (2, 10531011743), (7, 3008860498), (14, 1504430249), (17, 1238942558), (34, 619471279), (37, 569243878), (49, 429837214), (74, 284621939), (98, 214918607), (101, 208534886), (119, 176991794), (199, 105839314), (202, 104267443), (238, 88495897), (259, 81320554), (289, 72878974), (398, 52919657), (518, 40660277), (578, 36439487), (629, 33484934), (707, 29790698), (833, 25284542), (1258, 16742467), (1393, 15119902), (1414, 14895349), (1666, 12642271), (1717, 12266758), (1813, 11617222), (2023, 10411282), (2786, 7559951), (3383, 6225842), (3434, 6133379), (3626, 5808611), (3737, 5636078), (4046, 5205641), (4403, 4783562), (4949, 4255814), (6766, 3112921), (7363, 2860522), (7474, 2818039), (8806, 2391781), (9751, 2159986), (9898, 2127907), (10693, 1969702), (12019, 1752394), (14161, 1487326), (14726, 1430261), (19502, 1079993), (20099, 1047914), (21386, 984851), (23681, 889406), (24038, 876197), (26159, 805154), (28322, 743663), (29189, 721574), (30821, 683366), (40198, 523957), (47362, 444703), (51541, 408646), (52318, 402577), (57511, 366226), (58378, 360787), (61642, 341683), (63529, 331534), (74851, 281386), (84133, 250342), (103082, 204323), (115022, 183113), (125171, 168266), (127058, 165767), (140693, 149702)]