21585480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3671}}^1$

素因数の和:3699

約数の個数: 96

約数和(自身を含む): 75349440

約数和(自身を除く): 53763960

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, 3671, 5880, 7342, 11013, 14684, 18355, 22026, 25697, 29368, 36710, 44052, 51394, 55065, 73420, 77091, 88104, 102788, 110130, 128485, 146840, 154182, 179879, 205576, 220260, 256970, 308364, 359758, 385455, 440520, 513940, 539637, 616728, 719516, 770910, 899395, 1027880, 1079274, 1439032, 1541820, 1798790, 2158548, 2698185, 3083640, 3597580, 4317096, 5396370, 7195160, 10792740, 21585480]

約数ペア:

[(1, 21585480), (2, 10792740), (3, 7195160), (4, 5396370), (5, 4317096), (6, 3597580), (7, 3083640), (8, 2698185), (10, 2158548), (12, 1798790), (14, 1541820), (15, 1439032), (20, 1079274), (21, 1027880), (24, 899395), (28, 770910), (30, 719516), (35, 616728), (40, 539637), (42, 513940), (49, 440520), (56, 385455), (60, 359758), (70, 308364), (84, 256970), (98, 220260), (105, 205576), (120, 179879), (140, 154182), (147, 146840), (168, 128485), (196, 110130), (210, 102788), (245, 88104), (280, 77091), (294, 73420), (392, 55065), (420, 51394), (490, 44052), (588, 36710), (735, 29368), (840, 25697), (980, 22026), (1176, 18355), (1470, 14684), (1960, 11013), (2940, 7342), (3671, 5880)]