21292704

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4349}}^1$

素因数の和:4382

約数の個数: 72

約数和(自身を含む): 64127700

約数和(自身を除く): 42834996

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4349, 4896, 8698, 13047, 17396, 26094, 34792, 39141, 52188, 69584, 73933, 78282, 104376, 139168, 147866, 156564, 208752, 221799, 295732, 313128, 417504, 443598, 591464, 626256, 665397, 887196, 1182928, 1252512, 1330794, 1774392, 2365856, 2661588, 3548784, 5323176, 7097568, 10646352, 21292704]

約数ペア:

[(1, 21292704), (2, 10646352), (3, 7097568), (4, 5323176), (6, 3548784), (8, 2661588), (9, 2365856), (12, 1774392), (16, 1330794), (17, 1252512), (18, 1182928), (24, 887196), (32, 665397), (34, 626256), (36, 591464), (48, 443598), (51, 417504), (68, 313128), (72, 295732), (96, 221799), (102, 208752), (136, 156564), (144, 147866), (153, 139168), (204, 104376), (272, 78282), (288, 73933), (306, 69584), (408, 52188), (544, 39141), (612, 34792), (816, 26094), (1224, 17396), (1632, 13047), (2448, 8698), (4349, 4896)]