21891540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 68584320

約数和(自身を除く): 46692780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 66, 82, 110, 123, 132, 164, 165, 205, 220, 246, 330, 410, 451, 492, 615, 660, 809, 820, 902, 1230, 1353, 1618, 1804, 2255, 2427, 2460, 2706, 3236, 4045, 4510, 4854, 5412, 6765, 8090, 8899, 9020, 9708, 12135, 13530, 16180, 17798, 24270, 26697, 27060, 33169, 35596, 44495, 48540, 53394, 66338, 88990, 99507, 106788, 132676, 133485, 165845, 177980, 199014, 266970, 331690, 364859, 398028, 497535, 533940, 663380, 729718, 995070, 1094577, 1459436, 1824295, 1990140, 2189154, 3648590, 4378308, 5472885, 7297180, 10945770, 21891540]

約数ペア:

[(1, 21891540), (2, 10945770), (3, 7297180), (4, 5472885), (5, 4378308), (6, 3648590), (10, 2189154), (11, 1990140), (12, 1824295), (15, 1459436), (20, 1094577), (22, 995070), (30, 729718), (33, 663380), (41, 533940), (44, 497535), (55, 398028), (60, 364859), (66, 331690), (82, 266970), (110, 199014), (123, 177980), (132, 165845), (164, 133485), (165, 132676), (205, 106788), (220, 99507), (246, 88990), (330, 66338), (410, 53394), (451, 48540), (492, 44495), (615, 35596), (660, 33169), (809, 27060), (820, 26697), (902, 24270), (1230, 17798), (1353, 16180), (1618, 13530), (1804, 12135), (2255, 9708), (2427, 9020), (2460, 8899), (2706, 8090), (3236, 6765), (4045, 5412), (4510, 4854)]