21401676

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 57919680

約数和(自身を除く): 36518004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 67, 76, 114, 134, 171, 201, 228, 268, 342, 402, 467, 603, 684, 804, 934, 1206, 1273, 1401, 1868, 2412, 2546, 2802, 3819, 4203, 5092, 5604, 7638, 8406, 8873, 11457, 15276, 16812, 17746, 22914, 26619, 31289, 35492, 45828, 53238, 62578, 79857, 93867, 106476, 125156, 159714, 187734, 281601, 319428, 375468, 563202, 594491, 1126404, 1188982, 1783473, 2377964, 3566946, 5350419, 7133892, 10700838, 21401676]

約数ペア:

[(1, 21401676), (2, 10700838), (3, 7133892), (4, 5350419), (6, 3566946), (9, 2377964), (12, 1783473), (18, 1188982), (19, 1126404), (36, 594491), (38, 563202), (57, 375468), (67, 319428), (76, 281601), (114, 187734), (134, 159714), (171, 125156), (201, 106476), (228, 93867), (268, 79857), (342, 62578), (402, 53238), (467, 45828), (603, 35492), (684, 31289), (804, 26619), (934, 22914), (1206, 17746), (1273, 16812), (1401, 15276), (1868, 11457), (2412, 8873), (2546, 8406), (2802, 7638), (3819, 5604), (4203, 5092)]