21081450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:616

約数の個数: 96

約数和(自身を含む): 59371200

約数和(自身を除く): 38289750

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 38, 39, 50, 57, 65, 75, 78, 95, 114, 130, 150, 190, 195, 247, 285, 325, 390, 475, 494, 569, 570, 650, 741, 950, 975, 1138, 1235, 1425, 1482, 1707, 1950, 2470, 2845, 2850, 3414, 3705, 5690, 6175, 7397, 7410, 8535, 10811, 12350, 14225, 14794, 17070, 18525, 21622, 22191, 28450, 32433, 36985, 37050, 42675, 44382, 54055, 64866, 73970, 85350, 108110, 110955, 140543, 162165, 184925, 221910, 270275, 281086, 324330, 369850, 421629, 540550, 554775, 702715, 810825, 843258, 1109550, 1405430, 1621650, 2108145, 3513575, 4216290, 7027150, 10540725, 21081450]

約数ペア:

[(1, 21081450), (2, 10540725), (3, 7027150), (5, 4216290), (6, 3513575), (10, 2108145), (13, 1621650), (15, 1405430), (19, 1109550), (25, 843258), (26, 810825), (30, 702715), (38, 554775), (39, 540550), (50, 421629), (57, 369850), (65, 324330), (75, 281086), (78, 270275), (95, 221910), (114, 184925), (130, 162165), (150, 140543), (190, 110955), (195, 108110), (247, 85350), (285, 73970), (325, 64866), (390, 54055), (475, 44382), (494, 42675), (569, 37050), (570, 36985), (650, 32433), (741, 28450), (950, 22191), (975, 21622), (1138, 18525), (1235, 17070), (1425, 14794), (1482, 14225), (1707, 12350), (1950, 10811), (2470, 8535), (2845, 7410), (2850, 7397), (3414, 6175), (3705, 5690)]