21235464

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^3\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 62119200

約数和(自身を除く): 40883736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 43, 57, 72, 76, 86, 114, 129, 152, 171, 172, 228, 258, 342, 344, 361, 387, 456, 516, 684, 722, 774, 817, 1032, 1083, 1368, 1444, 1548, 1634, 2166, 2451, 2888, 3096, 3249, 3268, 4332, 4902, 6498, 6536, 6859, 7353, 8664, 9804, 12996, 13718, 14706, 15523, 19608, 20577, 25992, 27436, 29412, 31046, 41154, 46569, 54872, 58824, 61731, 62092, 82308, 93138, 123462, 124184, 139707, 164616, 186276, 246924, 279414, 294937, 372552, 493848, 558828, 589874, 884811, 1117656, 1179748, 1769622, 2359496, 2654433, 3539244, 5308866, 7078488, 10617732, 21235464]

約数ペア:

[(1, 21235464), (2, 10617732), (3, 7078488), (4, 5308866), (6, 3539244), (8, 2654433), (9, 2359496), (12, 1769622), (18, 1179748), (19, 1117656), (24, 884811), (36, 589874), (38, 558828), (43, 493848), (57, 372552), (72, 294937), (76, 279414), (86, 246924), (114, 186276), (129, 164616), (152, 139707), (171, 124184), (172, 123462), (228, 93138), (258, 82308), (342, 62092), (344, 61731), (361, 58824), (387, 54872), (456, 46569), (516, 41154), (684, 31046), (722, 29412), (774, 27436), (817, 25992), (1032, 20577), (1083, 19608), (1368, 15523), (1444, 14706), (1548, 13718), (1634, 12996), (2166, 9804), (2451, 8664), (2888, 7353), (3096, 6859), (3249, 6536), (3268, 6498), (4332, 4902)]