21738360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3697}}^1$

素因数の和:3725

約数の個数: 96

約数和(自身を含む): 75882960

約数和(自身を除く): 54144600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3697, 5880, 7394, 11091, 14788, 18485, 22182, 25879, 29576, 36970, 44364, 51758, 55455, 73940, 77637, 88728, 103516, 110910, 129395, 147880, 155274, 181153, 207032, 221820, 258790, 310548, 362306, 388185, 443640, 517580, 543459, 621096, 724612, 776370, 905765, 1035160, 1086918, 1449224, 1552740, 1811530, 2173836, 2717295, 3105480, 3623060, 4347672, 5434590, 7246120, 10869180, 21738360]

約数ペア:

[(1, 21738360), (2, 10869180), (3, 7246120), (4, 5434590), (5, 4347672), (6, 3623060), (7, 3105480), (8, 2717295), (10, 2173836), (12, 1811530), (14, 1552740), (15, 1449224), (20, 1086918), (21, 1035160), (24, 905765), (28, 776370), (30, 724612), (35, 621096), (40, 543459), (42, 517580), (49, 443640), (56, 388185), (60, 362306), (70, 310548), (84, 258790), (98, 221820), (105, 207032), (120, 181153), (140, 155274), (147, 147880), (168, 129395), (196, 110910), (210, 103516), (245, 88728), (280, 77637), (294, 73940), (392, 55455), (420, 51758), (490, 44364), (588, 36970), (735, 29576), (840, 25879), (980, 22182), (1176, 18485), (1470, 14788), (1960, 11091), (2940, 7394), (3697, 5880)]