21538764

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 65032800

約数和(自身を除く): 43494036

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 29, 36, 39, 46, 52, 54, 58, 69, 78, 87, 92, 108, 116, 117, 138, 156, 174, 207, 234, 261, 276, 299, 348, 351, 377, 414, 468, 522, 529, 598, 621, 667, 702, 754, 783, 828, 897, 1044, 1058, 1131, 1196, 1242, 1334, 1404, 1508, 1566, 1587, 1794, 2001, 2116, 2262, 2484, 2668, 2691, 3132, 3174, 3393, 3588, 4002, 4524, 4761, 5382, 6003, 6348, 6786, 6877, 8004, 8073, 8671, 9522, 10179, 10764, 12006, 13572, 13754, 14283, 15341, 16146, 17342, 18009, 19044, 20358, 20631, 24012, 26013, 27508, 28566, 30682, 32292, 34684, 36018, 40716, 41262, 46023, 52026, 57132, 61364, 61893, 72036, 78039, 82524, 92046, 104052, 123786, 138069, 156078, 184092, 185679, 199433, 234117, 247572, 276138, 312156, 371358, 398866, 414207, 468234, 552276, 598299, 742716, 797732, 828414, 936468, 1196598, 1656828, 1794897, 2393196, 3589794, 5384691, 7179588, 10769382, 21538764]

約数ペア:

[(1, 21538764), (2, 10769382), (3, 7179588), (4, 5384691), (6, 3589794), (9, 2393196), (12, 1794897), (13, 1656828), (18, 1196598), (23, 936468), (26, 828414), (27, 797732), (29, 742716), (36, 598299), (39, 552276), (46, 468234), (52, 414207), (54, 398866), (58, 371358), (69, 312156), (78, 276138), (87, 247572), (92, 234117), (108, 199433), (116, 185679), (117, 184092), (138, 156078), (156, 138069), (174, 123786), (207, 104052), (234, 92046), (261, 82524), (276, 78039), (299, 72036), (348, 61893), (351, 61364), (377, 57132), (414, 52026), (468, 46023), (522, 41262), (529, 40716), (598, 36018), (621, 34684), (667, 32292), (702, 30682), (754, 28566), (783, 27508), (828, 26013), (897, 24012), (1044, 20631), (1058, 20358), (1131, 19044), (1196, 18009), (1242, 17342), (1334, 16146), (1404, 15341), (1508, 14283), (1566, 13754), (1587, 13572), (1794, 12006), (2001, 10764), (2116, 10179), (2262, 9522), (2484, 8671), (2668, 8073), (2691, 8004), (3132, 6877), (3174, 6786), (3393, 6348), (3588, 6003), (4002, 5382), (4524, 4761)]