221015676

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 642485760

約数和(自身を除く): 421470084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 73, 76, 84, 98, 114, 133, 146, 147, 196, 219, 228, 266, 271, 292, 294, 399, 438, 511, 532, 542, 588, 798, 813, 876, 931, 1022, 1084, 1387, 1533, 1596, 1626, 1862, 1897, 2044, 2774, 2793, 3066, 3252, 3577, 3724, 3794, 4161, 5149, 5548, 5586, 5691, 6132, 7154, 7588, 8322, 9709, 10298, 10731, 11172, 11382, 13279, 14308, 15447, 16644, 19418, 19783, 20596, 21462, 22764, 26558, 29127, 30894, 36043, 38836, 39566, 39837, 42924, 53116, 58254, 59349, 61788, 67963, 72086, 79132, 79674, 108129, 116508, 118698, 135926, 138481, 144172, 159348, 203889, 216258, 237396, 252301, 271852, 276962, 375877, 407778, 415443, 432516, 504602, 553924, 751754, 756903, 815556, 830886, 969367, 1009204, 1127631, 1503508, 1513806, 1661772, 1938734, 2255262, 2631139, 2908101, 3027612, 3877468, 4510524, 5262278, 5816202, 7893417, 10524556, 11632404, 15786834, 18417973, 31573668, 36835946, 55253919, 73671892, 110507838, 221015676]

約数ペア:

[(1, 221015676), (2, 110507838), (3, 73671892), (4, 55253919), (6, 36835946), (7, 31573668), (12, 18417973), (14, 15786834), (19, 11632404), (21, 10524556), (28, 7893417), (38, 5816202), (42, 5262278), (49, 4510524), (57, 3877468), (73, 3027612), (76, 2908101), (84, 2631139), (98, 2255262), (114, 1938734), (133, 1661772), (146, 1513806), (147, 1503508), (196, 1127631), (219, 1009204), (228, 969367), (266, 830886), (271, 815556), (292, 756903), (294, 751754), (399, 553924), (438, 504602), (511, 432516), (532, 415443), (542, 407778), (588, 375877), (798, 276962), (813, 271852), (876, 252301), (931, 237396), (1022, 216258), (1084, 203889), (1387, 159348), (1533, 144172), (1596, 138481), (1626, 135926), (1862, 118698), (1897, 116508), (2044, 108129), (2774, 79674), (2793, 79132), (3066, 72086), (3252, 67963), (3577, 61788), (3724, 59349), (3794, 58254), (4161, 53116), (5149, 42924), (5548, 39837), (5586, 39566), (5691, 38836), (6132, 36043), (7154, 30894), (7588, 29127), (8322, 26558), (9709, 22764), (10298, 21462), (10731, 20596), (11172, 19783), (11382, 19418), (13279, 16644), (14308, 15447)]