21323712

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 112

約数和(自身を含む): 61447680

約数和(自身を除く): 40123968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 47, 48, 51, 64, 68, 94, 96, 102, 136, 139, 141, 188, 192, 204, 272, 278, 282, 376, 408, 417, 544, 556, 564, 752, 799, 816, 834, 1088, 1112, 1128, 1504, 1598, 1632, 1668, 2224, 2256, 2363, 2397, 3008, 3196, 3264, 3336, 4448, 4512, 4726, 4794, 6392, 6533, 6672, 7089, 8896, 9024, 9452, 9588, 12784, 13066, 13344, 14178, 18904, 19176, 19599, 25568, 26132, 26688, 28356, 37808, 38352, 39198, 51136, 52264, 56712, 75616, 76704, 78396, 104528, 111061, 113424, 151232, 153408, 156792, 209056, 222122, 226848, 313584, 333183, 418112, 444244, 453696, 627168, 666366, 888488, 1254336, 1332732, 1776976, 2665464, 3553952, 5330928, 7107904, 10661856, 21323712]

約数ペア:

[(1, 21323712), (2, 10661856), (3, 7107904), (4, 5330928), (6, 3553952), (8, 2665464), (12, 1776976), (16, 1332732), (17, 1254336), (24, 888488), (32, 666366), (34, 627168), (47, 453696), (48, 444244), (51, 418112), (64, 333183), (68, 313584), (94, 226848), (96, 222122), (102, 209056), (136, 156792), (139, 153408), (141, 151232), (188, 113424), (192, 111061), (204, 104528), (272, 78396), (278, 76704), (282, 75616), (376, 56712), (408, 52264), (417, 51136), (544, 39198), (556, 38352), (564, 37808), (752, 28356), (799, 26688), (816, 26132), (834, 25568), (1088, 19599), (1112, 19176), (1128, 18904), (1504, 14178), (1598, 13344), (1632, 13066), (1668, 12784), (2224, 9588), (2256, 9452), (2363, 9024), (2397, 8896), (3008, 7089), (3196, 6672), (3264, 6533), (3336, 6392), (4448, 4794), (4512, 4726)]