21518064

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 64415520

約数和(自身を除く): 42897456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 73, 89, 92, 138, 144, 146, 178, 184, 207, 219, 267, 276, 292, 356, 368, 414, 438, 534, 552, 584, 657, 712, 801, 828, 876, 1068, 1104, 1168, 1314, 1424, 1602, 1656, 1679, 1752, 2047, 2136, 2628, 3204, 3312, 3358, 3504, 4094, 4272, 5037, 5256, 6141, 6408, 6497, 6716, 8188, 10074, 10512, 12282, 12816, 12994, 13432, 15111, 16376, 18423, 19491, 20148, 24564, 25988, 26864, 30222, 32752, 36846, 38982, 40296, 49128, 51976, 58473, 60444, 73692, 77964, 80592, 98256, 103952, 116946, 120888, 147384, 149431, 155928, 233892, 241776, 294768, 298862, 311856, 448293, 467784, 597724, 896586, 935568, 1195448, 1344879, 1793172, 2390896, 2689758, 3586344, 5379516, 7172688, 10759032, 21518064]

約数ペア:

[(1, 21518064), (2, 10759032), (3, 7172688), (4, 5379516), (6, 3586344), (8, 2689758), (9, 2390896), (12, 1793172), (16, 1344879), (18, 1195448), (23, 935568), (24, 896586), (36, 597724), (46, 467784), (48, 448293), (69, 311856), (72, 298862), (73, 294768), (89, 241776), (92, 233892), (138, 155928), (144, 149431), (146, 147384), (178, 120888), (184, 116946), (207, 103952), (219, 98256), (267, 80592), (276, 77964), (292, 73692), (356, 60444), (368, 58473), (414, 51976), (438, 49128), (534, 40296), (552, 38982), (584, 36846), (657, 32752), (712, 30222), (801, 26864), (828, 25988), (876, 24564), (1068, 20148), (1104, 19491), (1168, 18423), (1314, 16376), (1424, 15111), (1602, 13432), (1656, 12994), (1679, 12816), (1752, 12282), (2047, 10512), (2136, 10074), (2628, 8188), (3204, 6716), (3312, 6497), (3358, 6408), (3504, 6141), (4094, 5256), (4272, 5037)]