21241050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 57585600

約数和(自身を除く): 36344550

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 29, 30, 38, 50, 57, 58, 75, 87, 95, 114, 145, 150, 174, 190, 257, 285, 290, 435, 475, 514, 551, 570, 725, 771, 870, 950, 1102, 1285, 1425, 1450, 1542, 1653, 2175, 2570, 2755, 2850, 3306, 3855, 4350, 4883, 5510, 6425, 7453, 7710, 8265, 9766, 12850, 13775, 14649, 14906, 16530, 19275, 22359, 24415, 27550, 29298, 37265, 38550, 41325, 44718, 48830, 73245, 74530, 82650, 111795, 122075, 141607, 146490, 186325, 223590, 244150, 283214, 366225, 372650, 424821, 558975, 708035, 732450, 849642, 1117950, 1416070, 2124105, 3540175, 4248210, 7080350, 10620525, 21241050]

約数ペア:

[(1, 21241050), (2, 10620525), (3, 7080350), (5, 4248210), (6, 3540175), (10, 2124105), (15, 1416070), (19, 1117950), (25, 849642), (29, 732450), (30, 708035), (38, 558975), (50, 424821), (57, 372650), (58, 366225), (75, 283214), (87, 244150), (95, 223590), (114, 186325), (145, 146490), (150, 141607), (174, 122075), (190, 111795), (257, 82650), (285, 74530), (290, 73245), (435, 48830), (475, 44718), (514, 41325), (551, 38550), (570, 37265), (725, 29298), (771, 27550), (870, 24415), (950, 22359), (1102, 19275), (1285, 16530), (1425, 14906), (1450, 14649), (1542, 13775), (1653, 12850), (2175, 9766), (2570, 8265), (2755, 7710), (2850, 7453), (3306, 6425), (3855, 5510), (4350, 4883)]