21489912

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:737

約数の個数: 96

約数和(自身を含む): 64022400

約数和(自身を除く): 42532488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 36, 38, 46, 57, 69, 72, 76, 92, 114, 138, 152, 171, 184, 207, 228, 276, 342, 414, 437, 456, 552, 683, 684, 828, 874, 1311, 1366, 1368, 1656, 1748, 2049, 2622, 2732, 3496, 3933, 4098, 5244, 5464, 6147, 7866, 8196, 10488, 12294, 12977, 15709, 15732, 16392, 24588, 25954, 31418, 31464, 38931, 47127, 49176, 51908, 62836, 77862, 94254, 103816, 116793, 125672, 141381, 155724, 188508, 233586, 282762, 298471, 311448, 377016, 467172, 565524, 596942, 895413, 934344, 1131048, 1193884, 1790826, 2387768, 2686239, 3581652, 5372478, 7163304, 10744956, 21489912]

約数ペア:

[(1, 21489912), (2, 10744956), (3, 7163304), (4, 5372478), (6, 3581652), (8, 2686239), (9, 2387768), (12, 1790826), (18, 1193884), (19, 1131048), (23, 934344), (24, 895413), (36, 596942), (38, 565524), (46, 467172), (57, 377016), (69, 311448), (72, 298471), (76, 282762), (92, 233586), (114, 188508), (138, 155724), (152, 141381), (171, 125672), (184, 116793), (207, 103816), (228, 94254), (276, 77862), (342, 62836), (414, 51908), (437, 49176), (456, 47127), (552, 38931), (683, 31464), (684, 31418), (828, 25954), (874, 24588), (1311, 16392), (1366, 15732), (1368, 15709), (1656, 12977), (1748, 12294), (2049, 10488), (2622, 8196), (2732, 7866), (3496, 6147), (3933, 5464), (4098, 5244)]