21583020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5897}}^1$

素因数の和:5970

約数の個数: 48

約数和(自身を含む): 61433568

約数和(自身を除く): 39850548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5897, 11794, 17691, 23588, 29485, 35382, 58970, 70764, 88455, 117940, 176910, 353820, 359717, 719434, 1079151, 1438868, 1798585, 2158302, 3597170, 4316604, 5395755, 7194340, 10791510, 21583020]

約数ペア:

[(1, 21583020), (2, 10791510), (3, 7194340), (4, 5395755), (5, 4316604), (6, 3597170), (10, 2158302), (12, 1798585), (15, 1438868), (20, 1079151), (30, 719434), (60, 359717), (61, 353820), (122, 176910), (183, 117940), (244, 88455), (305, 70764), (366, 58970), (610, 35382), (732, 29485), (915, 23588), (1220, 17691), (1830, 11794), (3660, 5897)]