21861252

素因数分解:

$2^2\times 3^8\times 7^2\times {\mathrm{17}}^1$

素因数の和:59

約数の個数: 162

約数和(自身を含む): 70678062

約数和(自身を除く): 48816810

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 81, 84, 98, 102, 108, 119, 126, 147, 153, 162, 189, 196, 204, 238, 243, 252, 294, 306, 324, 357, 378, 441, 459, 476, 486, 567, 588, 612, 714, 729, 756, 833, 882, 918, 972, 1071, 1134, 1323, 1377, 1428, 1458, 1666, 1701, 1764, 1836, 2142, 2187, 2268, 2499, 2646, 2754, 2916, 3213, 3332, 3402, 3969, 4131, 4284, 4374, 4998, 5103, 5292, 5508, 6426, 6561, 6804, 7497, 7938, 8262, 8748, 9639, 9996, 10206, 11907, 12393, 12852, 13122, 14994, 15309, 15876, 16524, 19278, 20412, 22491, 23814, 24786, 26244, 28917, 29988, 30618, 35721, 37179, 38556, 44982, 45927, 47628, 49572, 57834, 61236, 67473, 71442, 74358, 86751, 89964, 91854, 107163, 111537, 115668, 134946, 142884, 148716, 173502, 183708, 202419, 214326, 223074, 260253, 269892, 321489, 347004, 404838, 428652, 446148, 520506, 607257, 642978, 780759, 809676, 1041012, 1214514, 1285956, 1561518, 1821771, 2429028, 3123036, 3643542, 5465313, 7287084, 10930626, 21861252]

約数ペア:

[(1, 21861252), (2, 10930626), (3, 7287084), (4, 5465313), (6, 3643542), (7, 3123036), (9, 2429028), (12, 1821771), (14, 1561518), (17, 1285956), (18, 1214514), (21, 1041012), (27, 809676), (28, 780759), (34, 642978), (36, 607257), (42, 520506), (49, 446148), (51, 428652), (54, 404838), (63, 347004), (68, 321489), (81, 269892), (84, 260253), (98, 223074), (102, 214326), (108, 202419), (119, 183708), (126, 173502), (147, 148716), (153, 142884), (162, 134946), (189, 115668), (196, 111537), (204, 107163), (238, 91854), (243, 89964), (252, 86751), (294, 74358), (306, 71442), (324, 67473), (357, 61236), (378, 57834), (441, 49572), (459, 47628), (476, 45927), (486, 44982), (567, 38556), (588, 37179), (612, 35721), (714, 30618), (729, 29988), (756, 28917), (833, 26244), (882, 24786), (918, 23814), (972, 22491), (1071, 20412), (1134, 19278), (1323, 16524), (1377, 15876), (1428, 15309), (1458, 14994), (1666, 13122), (1701, 12852), (1764, 12393), (1836, 11907), (2142, 10206), (2187, 9996), (2268, 9639), (2499, 8748), (2646, 8262), (2754, 7938), (2916, 7497), (3213, 6804), (3332, 6561), (3402, 6426), (3969, 5508), (4131, 5292), (4284, 5103), (4374, 4998)]