21508715940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1\times {\mathrm{8951}}^1$

素因数の和:10373

約数の個数: 96

約数和(自身を含む): 62353186560

約数和(自身を除く): 40844470620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1381, 1740, 2762, 4143, 5524, 6905, 8286, 8951, 13810, 16572, 17902, 20715, 26853, 27620, 35804, 40049, 41430, 44755, 53706, 80098, 82860, 89510, 107412, 120147, 134265, 160196, 179020, 200245, 240294, 259579, 268530, 400490, 480588, 519158, 537060, 600735, 778737, 800980, 1038316, 1201470, 1297895, 1557474, 2402940, 2595790, 3114948, 3893685, 5191580, 7787370, 12361331, 15574740, 24722662, 37083993, 49445324, 61806655, 74167986, 123613310, 148335972, 185419965, 247226620, 358478599, 370839930, 716957198, 741679860, 1075435797, 1433914396, 1792392995, 2150871594, 3584785990, 4301743188, 5377178985, 7169571980, 10754357970, 21508715940]

約数ペア:

[(1, 21508715940), (2, 10754357970), (3, 7169571980), (4, 5377178985), (5, 4301743188), (6, 3584785990), (10, 2150871594), (12, 1792392995), (15, 1433914396), (20, 1075435797), (29, 741679860), (30, 716957198), (58, 370839930), (60, 358478599), (87, 247226620), (116, 185419965), (145, 148335972), (174, 123613310), (290, 74167986), (348, 61806655), (435, 49445324), (580, 37083993), (870, 24722662), (1381, 15574740), (1740, 12361331), (2762, 7787370), (4143, 5191580), (5524, 3893685), (6905, 3114948), (8286, 2595790), (8951, 2402940), (13810, 1557474), (16572, 1297895), (17902, 1201470), (20715, 1038316), (26853, 800980), (27620, 778737), (35804, 600735), (40049, 537060), (41430, 519158), (44755, 480588), (53706, 400490), (80098, 268530), (82860, 259579), (89510, 240294), (107412, 200245), (120147, 179020), (134265, 160196)]