21135593300

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{787}}^1\times {\mathrm{2659}}^1$

素因数の和:3561

約数の個数: 72

約数和(自身を含む): 46394634720

約数和(自身を除く): 25259041420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 787, 1010, 1574, 2020, 2525, 2659, 3148, 3935, 5050, 5318, 7870, 10100, 10636, 13295, 15740, 19675, 26590, 39350, 53180, 66475, 78700, 79487, 132950, 158974, 265900, 268559, 317948, 397435, 537118, 794870, 1074236, 1342795, 1589740, 1987175, 2092633, 2685590, 3974350, 4185266, 5371180, 6713975, 7948700, 8370532, 10463165, 13427950, 20926330, 26855900, 41852660, 52315825, 104631650, 209263300, 211355933, 422711866, 845423732, 1056779665, 2113559330, 4227118660, 5283898325, 10567796650, 21135593300]

約数ペア:

[(1, 21135593300), (2, 10567796650), (4, 5283898325), (5, 4227118660), (10, 2113559330), (20, 1056779665), (25, 845423732), (50, 422711866), (100, 211355933), (101, 209263300), (202, 104631650), (404, 52315825), (505, 41852660), (787, 26855900), (1010, 20926330), (1574, 13427950), (2020, 10463165), (2525, 8370532), (2659, 7948700), (3148, 6713975), (3935, 5371180), (5050, 4185266), (5318, 3974350), (7870, 2685590), (10100, 2092633), (10636, 1987175), (13295, 1589740), (15740, 1342795), (19675, 1074236), (26590, 794870), (39350, 537118), (53180, 397435), (66475, 317948), (78700, 268559), (79487, 265900), (132950, 158974)]