21410550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{971}}^1$

素因数の和:1003

約数の個数: 108

約数和(自身を含む): 66983436

約数和(自身を除く): 45572886

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 49, 50, 63, 70, 75, 90, 98, 105, 126, 147, 150, 175, 210, 225, 245, 294, 315, 350, 441, 450, 490, 525, 630, 735, 882, 971, 1050, 1225, 1470, 1575, 1942, 2205, 2450, 2913, 3150, 3675, 4410, 4855, 5826, 6797, 7350, 8739, 9710, 11025, 13594, 14565, 17478, 20391, 22050, 24275, 29130, 33985, 40782, 43695, 47579, 48550, 61173, 67970, 72825, 87390, 95158, 101955, 122346, 142737, 145650, 169925, 203910, 218475, 237895, 285474, 305865, 339850, 428211, 436950, 475790, 509775, 611730, 713685, 856422, 1019550, 1189475, 1427370, 1529325, 2141055, 2378950, 3058650, 3568425, 4282110, 7136850, 10705275, 21410550]

約数ペア:

[(1, 21410550), (2, 10705275), (3, 7136850), (5, 4282110), (6, 3568425), (7, 3058650), (9, 2378950), (10, 2141055), (14, 1529325), (15, 1427370), (18, 1189475), (21, 1019550), (25, 856422), (30, 713685), (35, 611730), (42, 509775), (45, 475790), (49, 436950), (50, 428211), (63, 339850), (70, 305865), (75, 285474), (90, 237895), (98, 218475), (105, 203910), (126, 169925), (147, 145650), (150, 142737), (175, 122346), (210, 101955), (225, 95158), (245, 87390), (294, 72825), (315, 67970), (350, 61173), (441, 48550), (450, 47579), (490, 43695), (525, 40782), (630, 33985), (735, 29130), (882, 24275), (971, 22050), (1050, 20391), (1225, 17478), (1470, 14565), (1575, 13594), (1942, 11025), (2205, 9710), (2450, 8739), (2913, 7350), (3150, 6797), (3675, 5826), (4410, 4855)]