21314040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 71089920

約数和(自身を除く): 49775880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 67, 88, 110, 120, 132, 134, 165, 201, 220, 241, 264, 268, 330, 335, 402, 440, 482, 536, 660, 670, 723, 737, 804, 964, 1005, 1205, 1320, 1340, 1446, 1474, 1608, 1928, 2010, 2211, 2410, 2651, 2680, 2892, 2948, 3615, 3685, 4020, 4422, 4820, 5302, 5784, 5896, 7230, 7370, 7953, 8040, 8844, 9640, 10604, 11055, 13255, 14460, 14740, 15906, 16147, 17688, 21208, 22110, 26510, 28920, 29480, 31812, 32294, 39765, 44220, 48441, 53020, 63624, 64588, 79530, 80735, 88440, 96882, 106040, 129176, 159060, 161470, 177617, 193764, 242205, 318120, 322940, 355234, 387528, 484410, 532851, 645880, 710468, 888085, 968820, 1065702, 1420936, 1776170, 1937640, 2131404, 2664255, 3552340, 4262808, 5328510, 7104680, 10657020, 21314040]

約数ペア:

[(1, 21314040), (2, 10657020), (3, 7104680), (4, 5328510), (5, 4262808), (6, 3552340), (8, 2664255), (10, 2131404), (11, 1937640), (12, 1776170), (15, 1420936), (20, 1065702), (22, 968820), (24, 888085), (30, 710468), (33, 645880), (40, 532851), (44, 484410), (55, 387528), (60, 355234), (66, 322940), (67, 318120), (88, 242205), (110, 193764), (120, 177617), (132, 161470), (134, 159060), (165, 129176), (201, 106040), (220, 96882), (241, 88440), (264, 80735), (268, 79530), (330, 64588), (335, 63624), (402, 53020), (440, 48441), (482, 44220), (536, 39765), (660, 32294), (670, 31812), (723, 29480), (737, 28920), (804, 26510), (964, 22110), (1005, 21208), (1205, 17688), (1320, 16147), (1340, 15906), (1446, 14740), (1474, 14460), (1608, 13255), (1928, 11055), (2010, 10604), (2211, 9640), (2410, 8844), (2651, 8040), (2680, 7953), (2892, 7370), (2948, 7230), (3615, 5896), (3685, 5784), (4020, 5302), (4422, 4820)]