21012432

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2719}}^1$

素因数の和:2760

約数の個数: 80

約数和(自身を含む): 64757760

約数和(自身を除く): 43745328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 2719, 3864, 5438, 7728, 8157, 10876, 16314, 19033, 21752, 32628, 38066, 43504, 57099, 62537, 65256, 76132, 114198, 125074, 130512, 152264, 187611, 228396, 250148, 304528, 375222, 437759, 456792, 500296, 750444, 875518, 913584, 1000592, 1313277, 1500888, 1751036, 2626554, 3001776, 3502072, 5253108, 7004144, 10506216, 21012432]

約数ペア:

[(1, 21012432), (2, 10506216), (3, 7004144), (4, 5253108), (6, 3502072), (7, 3001776), (8, 2626554), (12, 1751036), (14, 1500888), (16, 1313277), (21, 1000592), (23, 913584), (24, 875518), (28, 750444), (42, 500296), (46, 456792), (48, 437759), (56, 375222), (69, 304528), (84, 250148), (92, 228396), (112, 187611), (138, 152264), (161, 130512), (168, 125074), (184, 114198), (276, 76132), (322, 65256), (336, 62537), (368, 57099), (483, 43504), (552, 38066), (644, 32628), (966, 21752), (1104, 19033), (1288, 16314), (1932, 10876), (2576, 8157), (2719, 7728), (3864, 5438)]