21630780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1036

約数の個数: 96

約数和(自身を含む): 69007680

約数和(自身を除く): 47376900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 977, 1107, 1230, 1476, 1845, 1954, 2214, 2460, 2931, 3690, 3908, 4428, 4885, 5535, 5862, 7380, 8793, 9770, 11070, 11724, 14655, 17586, 19540, 22140, 26379, 29310, 35172, 40057, 43965, 52758, 58620, 80114, 87930, 105516, 120171, 131895, 160228, 175860, 200285, 240342, 263790, 360513, 400570, 480684, 527580, 600855, 721026, 801140, 1081539, 1201710, 1442052, 1802565, 2163078, 2403420, 3605130, 4326156, 5407695, 7210260, 10815390, 21630780]

約数ペア:

[(1, 21630780), (2, 10815390), (3, 7210260), (4, 5407695), (5, 4326156), (6, 3605130), (9, 2403420), (10, 2163078), (12, 1802565), (15, 1442052), (18, 1201710), (20, 1081539), (27, 801140), (30, 721026), (36, 600855), (41, 527580), (45, 480684), (54, 400570), (60, 360513), (82, 263790), (90, 240342), (108, 200285), (123, 175860), (135, 160228), (164, 131895), (180, 120171), (205, 105516), (246, 87930), (270, 80114), (369, 58620), (410, 52758), (492, 43965), (540, 40057), (615, 35172), (738, 29310), (820, 26379), (977, 22140), (1107, 19540), (1230, 17586), (1476, 14655), (1845, 11724), (1954, 11070), (2214, 9770), (2460, 8793), (2931, 7380), (3690, 5862), (3908, 5535), (4428, 4885)]