21809940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 63745920

約数和(自身を除く): 41935980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 61, 101, 118, 122, 177, 183, 202, 236, 244, 295, 303, 305, 354, 366, 404, 505, 590, 606, 610, 708, 732, 885, 915, 1010, 1180, 1212, 1220, 1515, 1770, 1830, 2020, 3030, 3540, 3599, 3660, 5959, 6060, 6161, 7198, 10797, 11918, 12322, 14396, 17877, 17995, 18483, 21594, 23836, 24644, 29795, 30805, 35754, 35990, 36966, 43188, 53985, 59590, 61610, 71508, 71980, 73932, 89385, 92415, 107970, 119180, 123220, 178770, 184830, 215940, 357540, 363499, 369660, 726998, 1090497, 1453996, 1817495, 2180994, 3634990, 4361988, 5452485, 7269980, 10904970, 21809940]

約数ペア:

[(1, 21809940), (2, 10904970), (3, 7269980), (4, 5452485), (5, 4361988), (6, 3634990), (10, 2180994), (12, 1817495), (15, 1453996), (20, 1090497), (30, 726998), (59, 369660), (60, 363499), (61, 357540), (101, 215940), (118, 184830), (122, 178770), (177, 123220), (183, 119180), (202, 107970), (236, 92415), (244, 89385), (295, 73932), (303, 71980), (305, 71508), (354, 61610), (366, 59590), (404, 53985), (505, 43188), (590, 36966), (606, 35990), (610, 35754), (708, 30805), (732, 29795), (885, 24644), (915, 23836), (1010, 21594), (1180, 18483), (1212, 17995), (1220, 17877), (1515, 14396), (1770, 12322), (1830, 11918), (2020, 10797), (3030, 7198), (3540, 6161), (3599, 6060), (3660, 5959)]