21836016

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:403

約数の個数: 120

約数和(自身を含む): 67317120

約数和(自身を除く): 45481104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 36, 38, 46, 48, 57, 69, 72, 76, 92, 114, 138, 144, 152, 171, 184, 207, 228, 276, 304, 342, 347, 368, 414, 437, 456, 552, 684, 694, 828, 874, 912, 1041, 1104, 1311, 1368, 1388, 1656, 1748, 2082, 2622, 2736, 2776, 3123, 3312, 3496, 3933, 4164, 5244, 5552, 6246, 6593, 6992, 7866, 7981, 8328, 10488, 12492, 13186, 15732, 15962, 16656, 19779, 20976, 23943, 24984, 26372, 31464, 31924, 39558, 47886, 49968, 52744, 59337, 62928, 63848, 71829, 79116, 95772, 105488, 118674, 127696, 143658, 151639, 158232, 191544, 237348, 287316, 303278, 316464, 383088, 454917, 474696, 574632, 606556, 909834, 949392, 1149264, 1213112, 1364751, 1819668, 2426224, 2729502, 3639336, 5459004, 7278672, 10918008, 21836016]

約数ペア:

[(1, 21836016), (2, 10918008), (3, 7278672), (4, 5459004), (6, 3639336), (8, 2729502), (9, 2426224), (12, 1819668), (16, 1364751), (18, 1213112), (19, 1149264), (23, 949392), (24, 909834), (36, 606556), (38, 574632), (46, 474696), (48, 454917), (57, 383088), (69, 316464), (72, 303278), (76, 287316), (92, 237348), (114, 191544), (138, 158232), (144, 151639), (152, 143658), (171, 127696), (184, 118674), (207, 105488), (228, 95772), (276, 79116), (304, 71829), (342, 63848), (347, 62928), (368, 59337), (414, 52744), (437, 49968), (456, 47886), (552, 39558), (684, 31924), (694, 31464), (828, 26372), (874, 24984), (912, 23943), (1041, 20976), (1104, 19779), (1311, 16656), (1368, 15962), (1388, 15732), (1656, 13186), (1748, 12492), (2082, 10488), (2622, 8328), (2736, 7981), (2776, 7866), (3123, 6992), (3312, 6593), (3496, 6246), (3933, 5552), (4164, 5244)]