21295764

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1657}}^1$

素因数の和:1694

約数の個数: 96

約数和(自身を含む): 66850560

約数和(自身を除く): 45554796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 153, 189, 204, 238, 252, 306, 357, 378, 459, 476, 612, 714, 756, 918, 1071, 1428, 1657, 1836, 2142, 3213, 3314, 4284, 4971, 6426, 6628, 9942, 11599, 12852, 14913, 19884, 23198, 28169, 29826, 34797, 44739, 46396, 56338, 59652, 69594, 84507, 89478, 104391, 112676, 139188, 169014, 178956, 197183, 208782, 253521, 313173, 338028, 394366, 417564, 507042, 591549, 626346, 760563, 788732, 1014084, 1183098, 1252692, 1521126, 1774647, 2366196, 3042252, 3549294, 5323941, 7098588, 10647882, 21295764]

約数ペア:

[(1, 21295764), (2, 10647882), (3, 7098588), (4, 5323941), (6, 3549294), (7, 3042252), (9, 2366196), (12, 1774647), (14, 1521126), (17, 1252692), (18, 1183098), (21, 1014084), (27, 788732), (28, 760563), (34, 626346), (36, 591549), (42, 507042), (51, 417564), (54, 394366), (63, 338028), (68, 313173), (84, 253521), (102, 208782), (108, 197183), (119, 178956), (126, 169014), (153, 139188), (189, 112676), (204, 104391), (238, 89478), (252, 84507), (306, 69594), (357, 59652), (378, 56338), (459, 46396), (476, 44739), (612, 34797), (714, 29826), (756, 28169), (918, 23198), (1071, 19884), (1428, 14913), (1657, 12852), (1836, 11599), (2142, 9942), (3213, 6628), (3314, 6426), (4284, 4971)]