21704172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15199}}^1$

素因数の和:15230

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 39582228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15199, 30398, 45597, 60796, 91194, 106393, 182388, 212786, 258383, 319179, 425572, 516766, 638358, 775149, 1033532, 1276716, 1550298, 1808681, 3100596, 3617362, 5426043, 7234724, 10852086, 21704172]

約数ペア:

[(1, 21704172), (2, 10852086), (3, 7234724), (4, 5426043), (6, 3617362), (7, 3100596), (12, 1808681), (14, 1550298), (17, 1276716), (21, 1033532), (28, 775149), (34, 638358), (42, 516766), (51, 425572), (68, 319179), (84, 258383), (102, 212786), (119, 182388), (204, 106393), (238, 91194), (357, 60796), (476, 45597), (714, 30398), (1428, 15199)]