21913905208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1873}}^1$

素因数の和:2133

約数の個数: 128

約数和(自身を含む): 48358195200

約数和(自身を除く): 26444289992

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 191, 247, 248, 382, 403, 494, 589, 764, 806, 988, 1178, 1528, 1612, 1873, 1976, 2356, 2483, 3224, 3629, 3746, 4712, 4966, 5921, 7258, 7492, 7657, 9932, 11842, 14516, 14984, 15314, 19864, 23684, 24349, 29032, 30628, 35587, 47177, 47368, 48698, 58063, 61256, 71174, 76973, 94354, 97396, 112499, 116126, 142348, 153946, 188708, 194792, 224998, 232252, 284696, 307892, 357743, 377416, 449996, 462631, 464504, 615784, 715486, 754819, 899992, 925262, 1103197, 1430972, 1462487, 1509638, 1850524, 2206394, 2861944, 2924974, 3019276, 3701048, 4412788, 4650659, 5849948, 6038552, 6797117, 8825576, 9301318, 11090033, 11699896, 13594234, 14341561, 18602636, 22180066, 27188468, 28683122, 37205272, 44360132, 54376936, 57366244, 88362521, 88720264, 114732488, 144170429, 176725042, 210710627, 288340858, 353450084, 421421254, 576681716, 706900168, 842842508, 1153363432, 1685685016, 2739238151, 5478476302, 10956952604, 21913905208]

約数ペア:

[(1, 21913905208), (2, 10956952604), (4, 5478476302), (8, 2739238151), (13, 1685685016), (19, 1153363432), (26, 842842508), (31, 706900168), (38, 576681716), (52, 421421254), (62, 353450084), (76, 288340858), (104, 210710627), (124, 176725042), (152, 144170429), (191, 114732488), (247, 88720264), (248, 88362521), (382, 57366244), (403, 54376936), (494, 44360132), (589, 37205272), (764, 28683122), (806, 27188468), (988, 22180066), (1178, 18602636), (1528, 14341561), (1612, 13594234), (1873, 11699896), (1976, 11090033), (2356, 9301318), (2483, 8825576), (3224, 6797117), (3629, 6038552), (3746, 5849948), (4712, 4650659), (4966, 4412788), (5921, 3701048), (7258, 3019276), (7492, 2924974), (7657, 2861944), (9932, 2206394), (11842, 1850524), (14516, 1509638), (14984, 1462487), (15314, 1430972), (19864, 1103197), (23684, 925262), (24349, 899992), (29032, 754819), (30628, 715486), (35587, 615784), (47177, 464504), (47368, 462631), (48698, 449996), (58063, 377416), (61256, 357743), (71174, 307892), (76973, 284696), (94354, 232252), (97396, 224998), (112499, 194792), (116126, 188708), (142348, 153946)]