21904530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 34220910

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 83, 95, 114, 166, 190, 249, 285, 415, 463, 498, 570, 830, 926, 1245, 1389, 1577, 2315, 2490, 2778, 3154, 4630, 4731, 6945, 7885, 8797, 9462, 13890, 15770, 17594, 23655, 26391, 38429, 43985, 47310, 52782, 76858, 87970, 115287, 131955, 192145, 230574, 263910, 384290, 576435, 730151, 1152870, 1460302, 2190453, 3650755, 4380906, 7301510, 10952265, 21904530]

約数ペア:

[(1, 21904530), (2, 10952265), (3, 7301510), (5, 4380906), (6, 3650755), (10, 2190453), (15, 1460302), (19, 1152870), (30, 730151), (38, 576435), (57, 384290), (83, 263910), (95, 230574), (114, 192145), (166, 131955), (190, 115287), (249, 87970), (285, 76858), (415, 52782), (463, 47310), (498, 43985), (570, 38429), (830, 26391), (926, 23655), (1245, 17594), (1389, 15770), (1577, 13890), (2315, 9462), (2490, 8797), (2778, 7885), (3154, 6945), (4630, 4731)]