21060512

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 28291168

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 47, 67, 76, 88, 94, 134, 152, 176, 188, 209, 268, 304, 352, 376, 418, 517, 536, 608, 737, 752, 836, 893, 1034, 1072, 1273, 1474, 1504, 1672, 1786, 2068, 2144, 2546, 2948, 3149, 3344, 3572, 4136, 5092, 5896, 6298, 6688, 7144, 8272, 9823, 10184, 11792, 12596, 14003, 14288, 16544, 19646, 20368, 23584, 25192, 28006, 28576, 34639, 39292, 40736, 50384, 56012, 59831, 69278, 78584, 100768, 112024, 119662, 138556, 157168, 224048, 239324, 277112, 314336, 448096, 478648, 554224, 658141, 957296, 1108448, 1316282, 1914592, 2632564, 5265128, 10530256, 21060512]

約数ペア:

[(1, 21060512), (2, 10530256), (4, 5265128), (8, 2632564), (11, 1914592), (16, 1316282), (19, 1108448), (22, 957296), (32, 658141), (38, 554224), (44, 478648), (47, 448096), (67, 314336), (76, 277112), (88, 239324), (94, 224048), (134, 157168), (152, 138556), (176, 119662), (188, 112024), (209, 100768), (268, 78584), (304, 69278), (352, 59831), (376, 56012), (418, 50384), (517, 40736), (536, 39292), (608, 34639), (737, 28576), (752, 28006), (836, 25192), (893, 23584), (1034, 20368), (1072, 19646), (1273, 16544), (1474, 14288), (1504, 14003), (1672, 12596), (1786, 11792), (2068, 10184), (2144, 9823), (2546, 8272), (2948, 7144), (3149, 6688), (3344, 6298), (3572, 5896), (4136, 5092)]