21166884060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{78623}}^1$

素因数の和:79283

約数の個数: 96

約数和(自身を含む): 67840561152

約数和(自身を除く): 46673677092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 641, 1282, 1923, 2564, 3205, 3846, 4487, 6410, 7692, 8974, 9615, 12820, 13461, 17948, 19230, 22435, 26922, 38460, 44870, 53844, 67305, 78623, 89740, 134610, 157246, 235869, 269220, 314492, 393115, 471738, 550361, 786230, 943476, 1100722, 1179345, 1572460, 1651083, 2201444, 2358690, 2751805, 3302166, 4717380, 5503610, 6604332, 8255415, 11007220, 16510830, 33021660, 50397343, 100794686, 151192029, 201589372, 251986715, 302384058, 352781401, 503973430, 604768116, 705562802, 755960145, 1007946860, 1058344203, 1411125604, 1511920290, 1763907005, 2116688406, 3023840580, 3527814010, 4233376812, 5291721015, 7055628020, 10583442030, 21166884060]

約数ペア:

[(1, 21166884060), (2, 10583442030), (3, 7055628020), (4, 5291721015), (5, 4233376812), (6, 3527814010), (7, 3023840580), (10, 2116688406), (12, 1763907005), (14, 1511920290), (15, 1411125604), (20, 1058344203), (21, 1007946860), (28, 755960145), (30, 705562802), (35, 604768116), (42, 503973430), (60, 352781401), (70, 302384058), (84, 251986715), (105, 201589372), (140, 151192029), (210, 100794686), (420, 50397343), (641, 33021660), (1282, 16510830), (1923, 11007220), (2564, 8255415), (3205, 6604332), (3846, 5503610), (4487, 4717380), (6410, 3302166), (7692, 2751805), (8974, 2358690), (9615, 2201444), (12820, 1651083), (13461, 1572460), (17948, 1179345), (19230, 1100722), (22435, 943476), (26922, 786230), (38460, 550361), (44870, 471738), (53844, 393115), (67305, 314492), (78623, 269220), (89740, 235869), (134610, 157246)]