21378315168

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10604323}}^1$

素因数の和:10604346

約数の個数: 72

約数和(自身を含む): 69479530848

約数和(自身を除く): 48101215680

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10604323, 21208646, 31812969, 42417292, 63625938, 74230261, 84834584, 95438907, 127251876, 148460522, 169669168, 190877814, 222690783, 254503752, 296921044, 339338336, 381755628, 445381566, 509007504, 593842088, 668072349, 763511256, 890763132, 1018015008, 1187684176, 1336144698, 1527022512, 1781526264, 2375368352, 2672289396, 3054045024, 3563052528, 5344578792, 7126105056, 10689157584, 21378315168]

約数ペア:

[(1, 21378315168), (2, 10689157584), (3, 7126105056), (4, 5344578792), (6, 3563052528), (7, 3054045024), (8, 2672289396), (9, 2375368352), (12, 1781526264), (14, 1527022512), (16, 1336144698), (18, 1187684176), (21, 1018015008), (24, 890763132), (28, 763511256), (32, 668072349), (36, 593842088), (42, 509007504), (48, 445381566), (56, 381755628), (63, 339338336), (72, 296921044), (84, 254503752), (96, 222690783), (112, 190877814), (126, 169669168), (144, 148460522), (168, 127251876), (224, 95438907), (252, 84834584), (288, 74230261), (336, 63625938), (504, 42417292), (672, 31812969), (1008, 21208646), (2016, 10604323)]