216942984

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{421}}^2$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 623597130

約数和(自身を除く): 406654146

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 421, 612, 842, 1224, 1263, 1684, 2526, 3368, 3789, 5052, 7157, 7578, 10104, 14314, 15156, 21471, 28628, 30312, 42942, 57256, 64413, 85884, 128826, 171768, 177241, 257652, 354482, 515304, 531723, 708964, 1063446, 1417928, 1595169, 2126892, 3013097, 3190338, 4253784, 6026194, 6380676, 9039291, 12052388, 12761352, 18078582, 24104776, 27117873, 36157164, 54235746, 72314328, 108471492, 216942984]

約数ペア:

[(1, 216942984), (2, 108471492), (3, 72314328), (4, 54235746), (6, 36157164), (8, 27117873), (9, 24104776), (12, 18078582), (17, 12761352), (18, 12052388), (24, 9039291), (34, 6380676), (36, 6026194), (51, 4253784), (68, 3190338), (72, 3013097), (102, 2126892), (136, 1595169), (153, 1417928), (204, 1063446), (306, 708964), (408, 531723), (421, 515304), (612, 354482), (842, 257652), (1224, 177241), (1263, 171768), (1684, 128826), (2526, 85884), (3368, 64413), (3789, 57256), (5052, 42942), (7157, 30312), (7578, 28628), (10104, 21471), (14314, 15156)]